chudnoff_therationalrolesintuition
TRANSCRIPT
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TheRationalRolesofIntuition
ElijahChudnoff
Abstract:Intuitionsareoftenthoughtofasinputstotheoreticalreasoning.For
example,youmightformabeliefbytakinganintuitionatfacevalue,oryoumight
takeyourintuitionsasstartingpointsinthemethodofreflectiveequilibrium.The
aimofthispaperistoarguethatinadditiontotheserolesintuitionsalsoplay
action-guidingroles.Theargumentproceedsbyreflectiononthetransmissionof
justificationthroughinference.Accordingtoinferentialinternalists,inordertogain
justificationforbelievingtheconclusionofanargumentbyinferringitfromthe
premisesinthatargumentonemustseethatthepremisessupporttheconclusion.
Imotivatethisviewandendorsetheideathatonesseeingsuchasupportrelation
consistsofoneshavinganintuition.Inanumberofrecentpapers,PaulBoghossian
haspressedaregressargumentagainstinferentialinternalisminspiredbyLewis
CarrollsdialogueWhattheTortoiseSaidtoAchilles.Ideveloparesponseto
Bogossiansargumentaccordingtowhichintuitionsworklikementalimperatives
andinferencesarementalactionsperformedbyobeyingthem.Afterdevelopingthis
responsetoBoghossiansargument,Itakeupthequestionofwhatitisinvirtueof
whichintuitionsplayaguidancerole,whentheydoso.
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Wehaveattitudesbeliefs,desires,hopes,fears,intentionsandwe
performactionsmentalonessuchascountingsheepbeforefallingasleepand
bodilyonessuchasmakingthebedafterwakingup.Someoftheseattitudesand
actionsaremorereasonablethanothers.Wehaveexperiences,suchasperceptions,
bodilysensations,recollections,imaginings,andIwouldaddintuitions.Someof
theseplayrolesinmakingsomeofourattitudesandactionsmorereasonablethan
others.BytherationalrolesofatypeofexperienceImeantherolesexperiencesof
thattypeplayinmakingsomeofourattitudesandactionsmorereasonablethan
others.
InthispaperIwillexploretherationalrolesintuitionsplay.Twohavebeen
discussedwidelyrecently:
Justifier:Intuitionsjustifybeliefs.
Evidence:Intuitionsareevidenceforbeliefs.
Idontassumethesearethesamerationalrole.Idiscussbothofthembrieflybelow.
Mymainaiminthispaper,however,istodefendtheviewthatintuitionsplayan
additionalrationalrole.Toafirstapproximation:
Guidance:Intuitionsguideactions.1
1In this paper I focus on mental actions, though I think intuitions play a role in guiding some bodily
actions as well.
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Hereistheplan.
Insection1,IsetoutsomeassumptionsIwillmakeaboutthenatureof
intuition.Insection2,Idiscussthejustifierandevidenceroles.Insections3to5,I
makeacaseforthinkingthatintuitionsplaytheguidancerole.Theargument
proceedsbyreflectiononthetransmissionofjustificationthroughinference.
Accordingtoinferentialinternalists,inordertogainjustificationforbelievingthe
conclusionofanargumentbyinferringitfromthepremisesinthatargumentone
mustseethatthepremisessupporttheconclusion.Insection3,Imotivatethis
viewandendorsetheideathatonesseeingsuchasupportrelationconsistsof
oneshavinganintuition.Inanumberofrecentpapers,PaulBoghossianhas
pressedaregressargumentagainstinferentialinternalisminspiredbyLewis
CarrollsWhattheTortoiseSaidtoAchilles.2Insection4,IreviewBoghossians
argument,isolatingwhatItaketobeitsmainpremise.Insection5,Idevelopa
responsetoBogossiansargumentthatrequiresintuitionstoplaytheguidancerole.
Insection6,Ielaborateontheviewthatintuitionsplaytheguidancerolein
responsetotwoobjections.Andinsection7,Itakeupthequestionofwhatitisin
virtueofwhichintuitionsplayaguidancerole,whentheydoso.
1.WhatAreIntuitions?
Considerthreethesesaboutperception:
2(Carroll 1905), (Boghossian 2008).
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(1)Perceptualexperiencesare suigenerisexperiences;theyshouldnotbeidentifiedwithdoxasticattitudesordispositionssuchasbeliefs,or
inclinationstobelieve.3
(2)Perceptualexperiencespossesspresentationalphenomenology;wheneveryouhaveaperceptualexperiencerepresentingthatp,thereis
someq(maybe=p)suchthatinthesameexperienceitperceptually
seemstoyouthatq,andyouseemtobesensorilyawareofthechunkof
realitythatmakesqtrue.4
(3)Perceptualexperiencesfitintoyourstreamofconsciousnesslikeexperientialatoms;theyarenotconstitutedbyyourotherexperiences,
suchasyourimaginingsandconsciousthoughts.5
Inmyviewintuitionissimilartoperceptionwithrespecttothefirsttwopoints,and
dissimilarwithrespecttothethird.Thatis,Iendorsethefollowingthesesabout
intuition:
(4)Intuitionexperiencesaresuigenerisexperiences;theyshouldnotbeidentifiedwithdoxasticattitudesordispositionssuchasbeliefs,or
inclinationstobelieve.6
3Cf. (Jackson 1977), (Evans 1981), (Peacocke 1983), (Searle 1983), (Foster 2001), (Huemer 2001).
(Armstrong 1968) is a well-known defense of the opposing view; see also (Gler 2009).
4Cf. (McDowell 1994), (Robinson 1994), (Sturgeon 2000), (Foster 2001), (OShaughnessy 2002), (Crane2005), and (Johnston 2006). All agree that perception possesses presentational phenomenology, though
not all adopt the same gloss on what this amounts to. I explore the nature of presentational
phenomenology further in (Chudnoff 2012a).
5Contrast the views of some earlier writers according to which perceptual experiencesas opposed tomere sensationsare supplemented by imagination. For discussion see Strawsons Imagination and
Perception in (Strawson 2007).
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(5)Intuitionexperiencespossesspresentationalphenomenology;wheneveryouhaveanintuitionexperiencerepresentingthatp,thereissomeq
(maybe=p)suchthatinthesameexperienceitintuitivelyseemsto
youthatq,andyouseemtobeintuitivelyawareofthechunkofreality
thatmakesqtrue.7
(6)Intuitionexperiencesfitintoyourstreamofconsciousnesslikeexperientialmolecules;theyareconstitutedbyyourotherexperiences,
suchasyourimaginingsandconsciousthoughts.8
Ihavearguedfortheses(4)through(6)atlengthelsewhere.9HereIwillbriefly
indicatesomemotivationforacceptingthem.
Considerthefollowingtwoclaims:
(A)Ifa0(B)7+10>3+17
Both(A)and(B)aretruthswecancometoknow.Butthereisadifference.Formost
ofus(B)isonlyknowablebycalculationortestimony.(A),ontheotherhand,is
6Cf. (Bealer 1998, 2000, and 2002) and (Huemer 2001, 2008). For arguments in favor of the opposing
view see: (Williamson 2004, 2005, and 2007) and (Earlenbaugh and Molyneux 2009).7This viewthough not my way of putting itwas more common among earlier writers on intuition. In
(Chudnoff 2011b), I give reasons for attributing it to Descartes, Husserl, Russell, and Gdel. I would
add certain moral intuitionists such as John Balguy and Richard Price to the list of historical
proponents; see their works excerpted in (Raphael 1969). Among more recent writers, Butchvarov and
Bonjour seem to me to defend similar views; see (Butchvarov 1970) and (Bonjour 2005).
8Cf. (Husserl 1975, 2001), (Parsons 1980, 2007), and (Tieszen 1989, 2005). I believe Husserl was the firstto defend this view. It was common ground among those in the phenomenological tradition; see, for
example, (Reinach 1911), (Gurwitsch 1964), and (Lvinas1995).9See (Chudnoff 2011a, b, and c, 2012a and b,andforthcoming).
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somethingthatitispossibletojustsee,i.e.intuittobetrue,perhapsaftera
momentortwoofreflection.
Contrasttheexperienceyouhavewhenyouintuit(A)withtheexperience
youhavewhenyouconsciouslyjudge(B),saybecauseyoucalculateitorreceive
testimonythatitistrue.Anaturalwaytocharacterizewhatdistinguishesthe
intuitivewayofbecomingconvincedthat(A)istrueisthis.Inthiscase,youarenot
compelledbyauthorityorargumenttobelievethatifa0;nordo
youjustfindyourselfmysteriouslytemptedtobelievethisproposition.Rather,the
propositionismadetoseemtruetoyoubyyourapparentinsightintothebitof
mathematicalrealitythatmakesittrue,namelythedependenceof22aona.This
iswhyIsaythatintuitionshavepresentationalphenomenology.Ifintuitionshave
presentationalphenomenology,however,thentheyshouldntbeidentifiedwith
doxasticattitudesordispositions.Onemighthaveadoxasticattitudeordisposition
inlightofhavinganintuitionexperiencewithpresentationalphenomenology,but
thedoxasticattitudeordispositionitselfissomethingelse,sinceitispossibleto
havesuchanattitudeordisposition,evenaconsciousone,withouthavingany
presentationalphenomenology.
Reflectiononexampleintuitionsseemstometoprovidesomemotivationfor
accepting(4)and(5).Whatabout(6)?Heretheconsiderationsareabitmore
involved.Atleastthreeobservationsarerelevant.
First,inhavinganintuitionapropositionappearstoyoutobetrue.
Second,thesamepropositioncanappeartoyoutobetrueindifferentways,
andthesedifferentwaysaresignificantenoughsothatweshouldcountthemas
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partoftheidentityoftheintuitionswithwhichtheyareassociated.Forexample,
maybeyouthinkthatoneintuitionmightjustifybelievingapropositionmorethan
anotherandthatthisisduetothefactthatitmakesthepropositionappeartobe
trueinaclearermannerthantheother.HereisanexamplefromDescartes:ifyou
trytointuitthatachiliagonhasmoresidesthana999sidedfigurebyimaginingit,
yourintuitionwillbelessclearthanifyoureliedsolelyonyourintellectualgraspof
thedifferencebetween1000sidesand999sides.
Third,thedifferencesinwayspropositionsappeartrueinintuitionsare
correlatedwithdifferencesinassociatedreflections.IntheexamplefromDescartes
thedifferencesintheintuitionsareassociatedwithdifferencesinaccompanying
thoughtsandimaginings.Astraightforwardapproachtoindividuatingintuitionsso
thattheiridentitiesincludewayspropositionsappeartobetrueininthemandnot
justthepropositionsthatdoappeartobetrueinthemistotakesuchthoughtsand
imaginingstobepartsoftheintuitions.Thissuggeststhat(6)istrue,i.e.that
intuitionsareconstitutedbyotherexperiencessuchasthoughtsandimaginings.
2.IntuitionsasJustifiersandasEvidence
Takeyourintuitionthatifa0.Youhavenoreasontoreject
thisclaimordistrustyourintuition.So,plausibly,yourintuitionmakesitthecase
thatyouhavejustificationforbelievingthatifa0.Suppose,
further,thatyoutakeyourintuitionatfacevalue.Youtherebyformajustifiedbelief
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thatifa0.Yourbeliefisjustifiedbecauseitisbasedonyour
intuition.
Theforegoingsuggeststhatatleastsomeintuitionsarejustifiers.Butitalso
suggeststhatweshoulddistinguishbetweentwowaysinwhichsuchintuitionsare
justifiers.Followingstandardterminology,someintuitionsarepropositional
justifiersandsomeintuitionsaredoxasticjustifiers.Ifanintuitionisapropositional
justifier,thenitmakesitthecasethatyouhavejustificationforabelief.Ifan
intuitionisadoxasticjustifier,thenitplusthefactthatyoubaseabeliefonitmake
itthecasethatyourbeliefisjustified.
Ifintuitionsarejustifiers,thenitisnaturaltoask:Invirtueofwhatdoesan
intuitionplaythejustifierrole,whenitdoesso?Thereareanumberofoptionsone
mightpursue.Twoinitialideasare:
Reliabilism:ifanintuitionplaysthejustifierrole,itdoessoinvirtueofbeing
areliableindicatorofthetruthofitscontent.10
Phenomenalism:ifanintuitionplaysthejustifierrole,itdoessoinvirtueof
havingacertainphenomenologywithrespecttoitscontent.11
Icalltheseinitialideas,sincetheyrequireandhavereceivedfurtherelaboration.My
ownviewisthatPhenomenalismisthepreferablestartingpoint,andthatitrequires
onesimpleelaboration:therelevantphenomenologyispresentational
10Cf. (Bealer 1998a, 1998b, 1999), (Goldman 2007), (Peacocke 2004), and (Sosa 2007, 2009).11Cf. (Huemer 2006).
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phenomenology,ascharacterizedinsection1.Whetherthisisthecorrectviewwill
notmakeadifferencetotherestofmydiscussion,soIwillnottakeupitsdefense
here.12
SofarIhaveframedmydiscussionintermsofjustification.Muchrecent
workonintuition,however,isframedintermsofevidence.ThequestionIwantto
considernowis:Howmightintuitionsbeingevidencerelatetothembeing
justifiers?
Ononewayofthinkingaboutevidence,thereisntmuchtosayinresponseto
thisquestionsinceevidenceisjustaterminologicalvariantofjustifier.Thatis:
Yourevidenceconsistsofwhateverisapropositionaljustifierforyou,i.e.
whatevermakesitthecasethatyouhavejustificationforbelieving
something.
Ifthisishowwethinkofevidence,theninsofarasweagreethatintuitionsplaythe
justifierrole,weshouldunderstandtheideathatintuitionsareevidencejustaswe
understandtheideathatintuitionsarejustifiers.
Butthereisanotherwayofthinkingaboutevidence,onwhichthe
relationshipbetweenintuitionsasjustifiersandasevidenceislessclear.Wemight
putitlikethis:
12For a defense, see (Chudnoff 2011a, and forthcoming).
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Yourevidenceconsistsofconsiderationsthatepistemicallycountinfavorof
oragainstyourhavingcertainbeliefs.
Thisformulationleavesopentwoissues.Oneissueisabouttheontologyof
evidence:aretheconsiderationsthatconstituteevidencefactsorpropositions?
Anotherissueisabouttheconditionsonpossessingevidence:mustthe
considerationsthatconstituteyourevidencebeknownorbelievedorbelievedwith
justificationorpropositionallyjustifiedforyouoretc?Theseareimportant
questions.ButtheissuesIamconcernedwithdonothingeonanswerstothem.
Ifwethinkofevidenceasepistemicallyfavorableconsiderations,then
insofarasweuseintuitiontopickoutakindofexperience,weshouldagreethat
intuitionsarenotevidence,sinceexperiencesarenotconsiderations.
Supposeweadoptthissecondwayofthinkingaboutevidenceandweuse
intuitiontopickoutakindofexperience.Giventhatyourintuitionsarenot
themselvesyourevidence,howdotheintuitionsthatyouhavestandwithrespectto
yourevidence?Sayyouintuitthatp.Whatfollowsaboutyourevidence?Hereare
somepossibilities:
- Yourevidencenowincludestheconsiderationthatp- Yourevidencenowincludestheconsiderationthatyouhavehadthe
intuitionthatp
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Supposethatthisisallthatfollowsaboutyourevidence.Thenitappearsthatthere
isaproblem.Whatevidencedoyouhaveforbelievingthatp?Theconsideration
thatpseemsquestion-begging.13Theconsiderationthatyouhavehadtheintuition
thatpisaboutyourownpsychology,and,onemightworry,evenifitlendssome
supporttobelievingp,thesupportitlendsisveryslight.14
Idontthinkthisismuchofaproblem.Supposeyoudonthaveverygood
evidenceforbelievingthatptheconsiderationsavailabletoyouareeither
question-beggingorpsychological.Stillyoumightbejustifiedinbelievingthatptoa
veryhighdegree.Thereasonwhyisthatevenifyourintuitionisnotitselfevidence,
anditsoccurrencedoesnotensurethatyouhavegoodevidenceforbelievingthatp,
still,itisajustifier,anditmightjustifyyouinbelievingthatptoaveryhighdegree.
Themoralisthatepistemicrationalitycannotbeunderstoodwhollyintermsof
evidence,ifevidenceisunderstoodinthesecondwaywehavedistinguished,as
consistingofepistemicallyfavorableconsiderations.Moreprecisely,thefollowing
claimfailstohold:ifyourintuitionexperiencerepresentingthatpjustifiesyouin
believingthatp,thenthejustificationyoutherebyhaveforbelievingthatpconsists
ofhavingevidenceforbelievingthatp.Ifitstrikesyouasincongruoustosaythat
youmighthaveahighdegreeofjustificationforbelievingthatp,thoughonlyslight
evidenceforbelievingthatp,thenthatjustmilitatesinfavorofunderstanding
evidencealongthelinesofthefirstwaydistinguishedabove,asconsistingof
justifiers.Thentheclaimthatifyourintuitionexperiencerepresentingthatp
13Cf. (Gler 2009) on this issue as it comes up in thinking about the relationship between perceptual
experiences and reasons for belief.
14Cf. (Goldman 2007), (Earlenbaugh and Molyneux 2009), (Williamson 2007), (Ichikawa forthcoming),(Cath ms).
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justifiesyouinbelievingthatp,thenthejustificationyoutherebyhaveforbelieving
thatpconsistsofhavingevidenceforbelievingthatpwillholdtrivially,sincethe
evidenceyouhavewilljustbethejustifier,i.e.theintuitionexperience.
3.InferentialInternalism
Theaimofthenextfoursectionstomakeacaseforthinkingthatintuitions
guideactionandthatthisisadistinctrationalrolefromthejustifierandevidence
roles.Theargumentwillfocusonapuzzleaboutinference.
Considerthefollowingargument:
(1)Everyevennumberisdivisibleby2.(2)Thenumberofpigsinthepeniseven.(3)So,thenumberofpigsinthepenisdivisibleby2.
Sayyouknow(1)fromschooland(2)fromcounting.Youseethat(1)and(2)
support(3).Soyouinfer(3)from(1)and(2)andtherebycometoknowthatthe
numberofpigsinthepenisdivisibleby2.
Inwhatdoesyourseeingthat(1)and(2)support(3)consist?Plausibly,it
consistsofyourhavinganintuitionexperiencethatrepresentsthat(1)and(2)
support(3).Thisisahistoricallypopularideaatleastamongrationalists.15Here
aretwoconsiderationsinfavorofit.First,thesubjectmatteroftheclaimthat(1)
15See, for example, Descartes Rulesin (Descartes 1985), Ewings Reason and Intuitionin (Ewing
1968), (Pollock 1974), and (Bonjour 1998).
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and(2)support(3)issimilartothesubjectmatteroftypicalclaimsthatintuition
justifiese.g.theclaimthatifa0.Bothareclaimsaboutnon-
empiricalmatters.Itcouldbethattherearetwoormoredistinctsourcesof
justificationforclaimsaboutnon-empiricalmatters,butthisviewisprimafacie
unattractiveandshouldbeavoidedifpossible.Second,experiencesofthesortthat
maketheclaimthat(1)and(2)support(3)evidentaresimilartotypicalintuition
experiences.Specifically,theypossessthecharacteristicsofintuitionlistedin
section1:theyaresuigeneris,presentational,andconstitutedbythoughtsand
imaginings.
Thepuzzleaboutinferenceconcernsthesortoftransitionthatoccursfrom
yourintuitionthat(1)and(2)support(3)toyourinferring(3)from(1)and(2).
Thepuzzleisthattherearebothreasonstothinkthatthetransitionfromintuitionis
requiredforknowingbyinference andreasonstothinkthatthetransitionfrom
intuitionisnotrequiredforknowingbyinference.ThesolutionIwillproposeisthat
thereasonsforthinkingthatthetransitionfromintuitionisnotrequiredfor
knowingbyinferencedependonanassumptionaboutintuitionthatshouldbe
rejected.Theassumptionisthatintuitionhassolelymind-to-worlddirectionoffit,
likeabelieforanassertion.Iwillsuggestthatintuitionsometimeshasboththatand
world-to-minddirectionoffit,likeadesireoracommand.Inthesecasesintuitionis
whatRuthMillikanhascalledapushmi-pullyurepresentation:itbothdescribesa
stateofaffairsanddirectsanaction.16
16 (Millikan 1995).
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Inferentialinternaliststhinkthatthetransitionfromintuitionorsome
analogousmentalstateisrequiredforknowingbyinference.Thebalanceofthis
sectionisdedicatedtoexplaininginmoredetailwhatthisviewisandwhat
motivationthereisforadoptingit.
Hereareafewrecentformulationsofinferentialinternalism:
[a]TheinferentialinternalistiscommittedtotheviewthatforStobe
justifiedinbelievingPonthebasisofE,Smustnotonlybejustifiedin
believingEbutmustbejustifiedinbelievingthatEmakesprobableP(where
E'sentailingPcanbeviewedastheupperlimitofE'smakingprobableP).17
[b](SimpleInferentialInternalism):AdeductiveinferenceperformedbySis
warrant-transferringjustincase(a)Sisjustifiedinbelievingitspremises,
(b)S'sjustificationforbelievingitspremisesissuitablyindependentofhis
justificationforbelievingtheconclusion,and(c)Sisabletoknowby
reflectionalonethathispremisesprovidehimwithagoodreasonfor
believingtheconclusion.18
[c]InorderforonetohavepositiveepistemicstatusinvirtueofbelievingP
onthebasisofR,onemustbelievethatRevidentiallysupportsP,andone
musthavepositiveepistemicstatusinrelationtothatlaterbeliefaswell.19
17 (Fumerton 2006), page 101.
18 (Boghossian 2003), page 268 in the reprint in (Boghossian 2008).
19 (Leite 2008), page 422.
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Thereareimportantdifferencesamongtheseformulationsofinferential
internalism.I'llmentionfour.First,[a]and[c]aremoregeneralthan[b]:whereas
[b]isrestrictedtodeductiveinference,[a]and[c]rangeoveratleastallsortsof
inference,and[c]maybeevenfurtherovercasesofepistemicbasingthatdonot
involveinference.Second,whereas[a]and[c]aimtogivenecessaryconditionson
theacquisitionofinferentialjustification,[b]aimstogivenecessaryandsufficient
conditionsontheacquisitionofinferentialjustification.Third,[a]and[b]donot
requireyoutohaveabeliefabouttherelationbetweenpremiseandconclusionin
yourinference,but[c]does.Formulation[a],forexample,requiresthatyouhave
justificationforabeliefabouttherelationbetweenpremiseandconclusion,butitis
possibletohavejustificationforbelievingsomething,evenifyoudonotbelieveit.
Formulation[b],likewise,requiresthatyoubeabletoknowbyreflectionalone
abouttherelationbetweenpremiseandconclusion,butitdoesnotrequirethatyou
actuallydoknow,orevenhaveanybeliefaboutthematter.Formulation[c],onthe
otherhand,requiresthatyouhavesuchabelief.Fourth,[a]usesoneepistemic
notionjustification;[b]usesthreejustification,beinginapositiontoknow,and
warranttransmission;and[c]usesaschematiclettercoveringarangeofpositive
epistemicnotions.
Thesedifferencesaside,thereisanobviousfamilyresemblanceholding
among[a],[b],and[c].FromthemIdistillthefollowingview:
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(II-)Sknowsthatpbyinferringpfromq1...qNonlyifSintuitsthatq1...qN
supportp.
Thisviewismoregeneralthan[b]sinceitisaboutallinferences,butpotentiallyless
generalthan[c]sinceitisaboutinferentialjustificationonly,andnotepistemic
basingmoregenerally.Itissimilarto[a]and[c]inthatitaimstogiveanecessary
condition,notasufficientcondition,butitislesscommittalthanthem,asitissilent
onallconditionsoninferencesavetheonethatdistinguishesinferentialinternalism
fromotherviews.Itcommitstotheviewthatthementalstaterepresentingthe
supportrelationisanintuition.Giventhiscommitment,(II-)doesnotrequirethatS
mustbelievethatq1...qNsupportp,sinceitispossibletointuitsomethingandnot
believeit.Finally,itusesthenotionofknowledge,sinceanalogousprinciplesthat
useepistemicnotionsweakerthanknowledgeimply(II-).
(II-)doesnotseemtometobeaproperformulationofinferential
internalism,atleastinsofarasitiscommittedtoaprincipleaboutknowledge.20For
that,Ithinkweneedtoaddsomething:
(II)Sknowsthatpbyinferringpfromq1...qNonlyifSinferspfromq1...qNin
partbecauseSintuitsthatq1...qNsupportp.
20 It might be sufficient if reformulated as a principle about propositional justification. But, as indicated
above, if one is an inferential internalist about propositional justification, then one should be an
inferential internalist about doxastic justification and states, such as knowledge, requiring doxastic
justification.
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Thoughnoneof[a],[b],or[c]suggeststheadditionalconditionwhatwemightcall
thebecausalcondition21therearereasonstoincludeit.22Iwillmentionthree.
First,thereisastrategicreason:(II)isstrongerthan(II-),soifitcanbe
defended,socan(II -).Addingthebecausalconditiondoesn'thurtstrategically.
Second,thereisadialecticalreason:eventhoughBoghossiandoesnot
formulatethebecausalconditionin[b],inarguingagainstinferentialinternalismhe
takesittobecommittedtomorethanjust(II-),and(II)isaplausiblearticulationof
justwhatmore.23Ofcourse,aninferentialinternalistmightthenjustreplyto
Boghossianbydistinguishing(II-)from(II)andclaimingtoendorsetheformer,not
thelatter.24Butthisisunsatisfyingandthereasonwhyisthethird,andmost
important,reasonforadoptingformulation(II).
Thethirdreasonisthatthemostcompellingmotivationforinferential
internalismmotivates(II)asmuchasitmotivates(II-).Themostcompelling
motivationforinferentialinternalismderivesfromreflectiononcertainexamples.
Considerthefollowingtwoarguments.
ArgumentA
21 How exactly to understand the becausal condition is an issue I will discuss below.22 Brewer seems to endorse such a becausal condition in (Brewer 1995).
23 There might be a principlestronger than (II-) but weaker than (II) that best fits the conception ofinferential internalism Boghossion has in mind when he is arguing against the view. See footnote 27
below. Since I am defending the stronger principle, (II), whether this is so does not matter for my
purposes.
24 I am partly inclined to think that Leite's response to Boghossian's Carrollian argument consists in doing
precisely this: endorsing (II-), rejecting (II). See (Leite 2008), pages 429432. But I am not confident
that this is a correct interpretation. Leite says that one's appreciation of the relation between premise and
conclusion must play a role without doing something in one's inference. See page 432.
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(A1)ConnieandCyndiareaconeandacylinderwiththesamebaseand
height.
(A2)Therefore,CyndienclosesagreatervolumethanConnie.
ArgumentB
(B1)ConnieandCyndiareaconeandacylinderwiththesamebaseand
height.
(B2)Therefore,CyndienclosesthreetimesthevolumeofConnie.
ImagineSmith.Smithdoesnthaveanyparticularmathematicalexpertise.But
supposehehasjustificationforbelieving(A1)someonetellshimitisso,orhe
measuresithimself,orwhatever.From(A1)heinfers(A2).Plausibly,henowalso
hasjustificationforbelieving(A2).Suppose,ontheotherhand,hehasjustification
forbelieving(B1)werejustrelabeling(A1).From(B1)heinfers(B2).Isit
plausibleinthiscasetosaythathehasjustificationforbelieving(B2)?Ithinknot.
Why?
Onthefaceofit,itisbecausehecanintuitthat(A2)followsfrom(A1),buthe
cannotintuitthat(B2)followsfrom(B1).Itmighttakehimamomenttointuitthat
(A2)followsfrom(A1),butitiscertainlywithinhiscapabilities.Itisdifficultto
imaginehimintuitinginasimilarwaythat(B2)followsfrom(B1),however.Todo
this,hewouldhavetointuittheexactratioofthevolumeofaconetothevolumeof
acylinderwiththesamebaseandheight.Andthatisbeyondhislimitedcapabilities.
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NowsupposethatwhileSmithdoesintuitthat(A1)supports(A2),this
intuitionplaysnoroleinaccountingforwhyhemakestheinferencehedoes.
Supposehejustignoreshisintuitionandmakestheinferenceanyway.Doeshe,in
thisre-imaginedcase,gainjustificationforbelieving(A2)?No.Thereasonwhynot
isthateventhoughSmithintuitsthatthepremisesupportstheconclusion,hedoes
notinfertheconclusionfromthepremiseinlightofthisintuition,butindependently
ofit.ThisobservationsuggeststhatSmithmustnotonlyintuitthat(A1)supports
(A2)inorderforhisinferencetogivehimjustificationforbelieving(A2),but,also,
mustmakehisinferenceinpartbecausehehasthisintuition.Tosummarize:
reflectiononexamplesmotivates(II)asmuchasitmotivates(II-).25
4.BoghossiansCarrollianArgument
Consideraninferencethataccordswithmodusponens(MPP):
(1)Iftodayisthe20th,thenMarthaArgerichisplayingtodayinCarnegieHall.
(2)Todayisthe20th.(3)MarthaArgerichisplayingtodayinCarnegieHall.26
25 The point I am making here parallels a more familiar point about justified belief. In order to have a
justified belief that p it does not suffice to have a belief that p and justification for believing that p: one
must base one's belief that p on one's justification for believing that p. For further discussion, see(Feldman and Conee 1985).
26 The example is Boghossian's; (Boghossian 2003), page 267 in the reprint in (Boghossian 2008).
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Suppose(II)istrue.So:inorderknow(3)byinferringitfrom(1)and(2),onemust
intuitthat(1)and(2)support(3),andonemustinfer(3)from(1)and(2)atleastin
partbecauseofthisintuition.Thisraisesquestionsoftwosorts.
First,therearequestionsaboutone'sintuitionthat(1)and(2)support(3).
Whatisitsprecisecontent?Forexample,isitaboutMPPinferencesingeneral,or
aboutthisparticularMPPinference?Iwillsetthesequestionsasidefornow.I
returntotheminsection6.
Second,therearequestionsaboutthebecausalcondition.Whatexactlyisit
forone'sinferencetobemadeinpartbecauseofone'sintuition?Boghossianposesa
similarquestion:Wecanaskhowmyknowledgeofthevalidityoftheinference
from(1)and(2)to(3)issupposedtobearonmywarranttoinfer(3)?27Hismain
reasonforrejectinginferentialinternalismisthathedoesnotthinkthatthis
questionhasasatisfyinganswer:
Butitisveryhardtosee,onceagain,howmyputativelyjustifiedjudgment
thatmypremisesentailmyconclusioncouldbearonmyentitlementtodraw
theconclusioninanythingotherthaninferentialform,thus:
(iv)Thisparticularinferencefrom(1)and(2)to(3)isvalid.(v)Ifaninferenceisvalid,thenanyonewhoisjustifiedinbelieving
27 (Boghossian 2003), page 274 in the reprint in (Boghossian 2008). It is because Boghossian takes this to
be a question that inferential internalists must face that I believe he thinks inferential internalism iscommitted to more than (II
-). But it is because there is a difference between an intuition bearing on one's
warrant for inferring and an intuition bearing on one's inferring that I believe (II) might be too strong to
capture his conception of inferential internalism. As pointed out above, this doesn't matter for my
purposes. See footnote 30 for a reason to think a principle stronger than (II-) but weaker than (II) is still
too weak.
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itspremisesandknowsofitsvalidityisjustifiedininferringits
conclusion.
Therefore,
(vi)Anyonewhoisjustifiedinbelievingthepremisesofthisinferenceisjustifiedinbelievingitsconclusion.
(vii)Iamjustifiedinbelievingthepremises(1)and(2).
Therefore,
(viii)Iamjustifiedininferring(3).
Evenifweconceded,then,thatwehaverationalinsightintothevalidityof
specificinferences,wedonotescapethethreatofcircularitythatafflictsthe
internalistaccount.Onceagain,anabilitytoinferjustifiablyaccordingtoMPP
ispresupposed.28
InBoghossian'sargument(iv)isthecontentofmyintuitionthat(1)and(2)support
(3).Howdoesthecontentofthisintuitionbearonmyinferencefrom(1)and(2)to
(3)?Boghossianclaimsthatitcanonlydosobyfiguringinanotherinference,
namelytheinferencefrom(iv)andsupplementarypremisesto(viii),theconclusion
28 (Bohogssian 2003), pages 274275 in the reprint in (Boghossian 2008).
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thatIamjustifiedininferring(3).Ifallthisisso,thentheinferentialinternalistisin
trouble.Oneproblem,whichBoghossianpointsout,isthattheinferencefrom(iv)
andsupplementarypremisesto(viii)invokesMPP,thuslaunchingusonthesortof
regressCarrollillustratesinhisdialoguebetweentheTortoiseandAchilles.29
Anotherproblem,whichBoghossiandoesnotpointout,isthatthereisanadditional
questionabouthowpossessionoftheinformationin(viii)itselfbearsonmy
inference.PossessingtheinformationthatIamjustifiedininferring(3)isonething;
inferring(3)isanother.BytheconclusionofBoghossian'sargument,Istillhaven't
inferred(3),onlythatIamjustifiedininferring(3).30
ThemainpremiseinBoghossian'scaseagainstinferentialinternalismisthis:
MainPremise:Inordertomakeaninferencefromsomepremisestoa
conclusionbecauseofone'sintuitionthatthosepremisessupportthat
conclusion,onemusttaketheclaimthatthosepremisessupportthat
conclusionasapremiseinaninference.
MighttheinferentialinternalistsimplydenytheMainPremise,andtherebydeflect
Boghossian'scriticism?WhileIdothinkthattheinferentialinternalistoughttodeny
theMainPremise,Idonotthinkthatdoingsoitselfconstitutesanadequate
29 (Carroll 1905).30 Boghossian describes himself as exploring how (iv) might bear on my entitlement to infer (3), not on
my inferring (3). Perhaps, then, this additional problem is off his radar.But it shouldn't be. Suppose theinferential internalist has a good story about how (iv) bears on my entitlement to infer (3). There is still
the question: how does my entitlement to infer (3) bear on my inferring (3)? Just as one might possess
evidence for a belief, but believe independently of it, say on the basis of wishful thinking, so one might
possess entitlement for an inference, but infer independently of it, and so without transmitting
justification from premises to conclusion. Again, see (Feldmanand Conee 1985) for discussion ofjustified belief.
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responsetoBoghossian'scriticism.TheMainPremiseisplausible.Ithinkitis
unavoidablegivenacertainassumptionaboutthenatureoftheintuitiononeis,
accordingtoinferentialinternalists,supposedtohaveoftherelationbetween
premisesandconclusioninaninference.Inthenextsection,Iwillexplorethis
assumptionandhowitisboundupwiththeMainPremise.
5.IntuitioninAction
WhatmustintuitionbelikesothatBoghossian'sMainPremiseisfalseofit?
ThisisthequestionthatIwanttoaddressinthissection.
TherearetwoassumptionsthatIwillmake.First,inferringisamental
action.31Andsecond,thebecausalrelationbetweeninferenceandintuitionisnot
merelycausal;itisarationaltransition.32Whatisarationaltransition?Idonothave
adefinitiontogive.Supposeyoubelievethatpbecauseitperceptuallyseemstoyou
thatp.Thistransitionfromperceptiontobeliefisnotmerelycausalsinceitcan
makethebeliefrational.Supposeyoubecauseyouintendto.Thistransition
fromintentiontoactionisnotmerelycausalsince,providedtheintentionis
rational,itcanmaketheactionrational.Mysecondassumptionisthatinferringa
31 Compare: In making inferences, a being is ipso factoan agent (Burge 1998). (Peacocke 2008) and
(Gibbon 2009) agree. (Strawson 2003) disagrees, and though (Mele 2009) does not discuss inference inparticular, he develops a position toward mental action in general that is similar to Strawson's. Strawson
and Mele do agree with Burge, Peacocke, Gibbon, and myself on this much: when we make an
inference we are doing something for which we are immediatelyresponsible. We are responsible andthis distinguishes inferences from sneezes and hiccups. And this responsibility is immediate in the sense
that we are responsible and not just because we are responsible for some upstream cause of our
inference. The assumption that inferences are mental events for which we are immediately responsible
is likely strong enough for my purposes here. I cannot explore the issue in any further detail, however.
32 In this I am in agreement with (Brewer 1995). It is worth emphasizing that being not merelycausal iscompatible with being causal.
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conclusionfromsomepremisesbecauseyouintuitthatthepremisessupportthe
conclusionisalso,likethesetwotransitions,notmerelycausalsinceitcanmakethe
inferencehavethepropertyofbeingjustification-transmitting.Thatis,inferences
madeinlightofintuitionsthattheirpremisessupporttheirconclusionssucceedin
transmittingjustificationyouhaveforbelievingtheirpremisestotheirconclusions.
Letussaythatarationaltransitionfromamentalstateisdirectjustincaseit
doesnotconsistintakingthecontentofthatmentalstateasapremiseinan
inference.Withtheaboveassumptionsandthisstipulationinplace,ourquestion
canberephrasedthisway:whatmustintuitionbelikesothatitispossibleforthere
tooccuradirectrationaltransitionfromittoamentalaction,specificallyan
inference?
Boghossianconsiderstwoparadigms:beliefandperception.
Butneitherseemstoprovideuswithagoodmodel.33Takebelieffirst.One
waytomakearationaltransitionfromabeliefistotakeitasapremiseinan
inference.Theinferencemightbetheoreticalleadingtoanotherbelief.Oritmight
bepracticalleadingtoanactionandperhapsevenamentalaction.Butinneither
caseistherationaltransitiondirect,foritconsistsintakingthebeliefasapremise
inaninference.
Takeperceptionthen.Onewaytomakearationaltransitionfromperception
istotakeitatfacevaluei.e.toformthebeliefthatpjustbecauseitperceptually
seemstoyouthatp.Thisleadstoabelief,however,notanaction,andsonota
mentalaction.Perhapsthereisanotherwaytothinkofthissortoftransition.
33 This claim seems to me to hold only assuming, as I am in the present discussion, orthodox conceptions
of belief and perception on which both only have a mind-to-world direction of fit. More on this below.
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Supposetakingaperceptionatfacevalueismakingajudgment,andthatmakinga
judgmentisamentalaction.Inference,then,mightstandtointuitionastakingat
facevaluestandstoperception:aninferenceisthementalactthatoccurswhenyou
takeyourintuitionthatsomepremisessupportsomeconclusionatfacevalue.While
Ithinkthatsomethinglikethisiscorrect,theanalogywithperceptiondoesnothelp
ustoseehowitcanbe.Whenyoutakeaperceptionatfacevalueyouformabelief
thatsharessomeofitscontent.So,ifinferringwerejusttakinganintuitionatface
value,thenitwouldresultinabeliefthatsharessomeoftheintuitionscontent,i.e.,
presumably,abeliefthatsomepremisessupportsomeconclusion.Butthisisnot
whatresultsfromaninference.Whatresultsisachangeintheepistemic
dependenciesamongyourbeliefs:afterinferring,youbelievetheconclusion
inferred,andyourbeliefinitisepistemicallydependentonyourbeliefsinthe
premisesfromwhichitisinferred.
Letusconsideroneotherrationalroleperceptionmightplay.Whilewalking
youmighttakeintoaccountwhatyouperceiveinnegotiatingobstacles,butwithout,
letussuppose,firstformingbeliefsaboutyourenvironmentandthentakingthese
beliefsaspremisesinpracticalinferencesabouthowtomove.Supposeyoustepto
thesidebecauseyouperceiveanobstacle.Isthisadirectrationaltransitionfrom
perceptiontoaction?Perhapsitis,but,again,itdoesnotprovideuswithagood
modelforintuition.Thereasonwhynotisthatitisatransitionthatoccursinthe
contextofabackgroundactivity:yousteptothesidebecauseyouperceivean
obstaclewhilewalking.Thisisnotacaseinwhichaperceptionalonewithouthelp
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fromothermentalstates,orabackgroundactivitygetsyouwalkinginthefirst
place.34
ReflectionslikethesemotivateBoghossian'sMainPremise.Thereis,
moreover,reasontothinkthatiftheonlyavailableparadigmsonwhichtomodel
appreciationwerebeliefandperception,thenBoghossian'sMainPremisewouldbe
compelling.Letusseewhy.
Perceptionandbeliefhavemind-to-worldasopposedtoworld-to-mind
directionoffit.ThedifferenceisillustratedbyafamousexamplefromAnscombe.35
Amanisshoppingaroundtowngettingtheitemsonalistthathiswifegavehim.A
detectiveisfollowinghimmakingalistofalltheitemsthathepurchases.Letus
supposethatbothmananddetectivehavedonetheirjobswell,sothattheirlists
readthesame.Theman'slisthasitems-to-listdirectionoffit:theitemsonthelist
aregivenandthelistdirectsthemantopurchasethoseitems.Ithasadirective
function.Thedetective'slisthaslist-to-itemsdirectionoffit:theitemspurchased
aregivenandthelistdescribeswhichitemshavebeenpurchased.Ithasa
descriptivefunction.Similarly,somementalstates,suchasbeliefsandperceptions,
havemind-to-worlddirectionoffit.Theworldisgivenandtheyfunctiontodescribe
it.Othermentalstates,suchasdesiresandintentions,haveworld-to-minddirection
offit.Theircontentsaregivenandtheyfunctiontodirecttheirsubjectstosatisfy
thosecontents.
34 One might defend the view that intuition works like perception does in the context of a background
activity by arguing that when we make inferences because of what we intuit we do so in the context of a
background activity of thinking, or reasoning, or working our way toward an inference, or something
else. This view seems implausible to me. Sometimes we just make an inference, and this isn't part ofany larger endeavor.
35 (Anscombe 1957), page 56.
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Ihavepickedoutthetwodifferentdirectionsoffitbytheirassociationwith
twodifferentfunctionalroles.Onemightwonderwhether(i)astatehasits
directionoffitinvirtueofitsfunctionalrole,(ii)astatehasitsfunctionalrolein
virtueofitsdirectionoffit,(iii)astatesfunctionalroleisidenticalto,orincludesas
apart,itsdirectionoffit,or(iv)astatehasitsdirectionoffitanditsfunctionalrole
invirtueofotherfactsaboutit,whichfactsensurethatthedirectionoffitand
functionalrolelineupinthewayIhaveindicated.Myapproachherewillbeto
remainneutralonthisissue.Formypurposeswhatmattersisthatdirectionsoffit
andfunctionalroleslineupasIhaveindicated:world-tomindstatesdirectand
mind-to-worldstatesdescribe.WhatultimatelyexplainsthisisanissueIwillleave
unresolved.36
Aboveweranthroughsomeconsiderationsthatsuggested,roughly,thatone
cannotdirectlyrationallyrespondtoabelieforaperceptionwithanaction.Youcan
takeabeliefintoaccountbytakingitasapremiseinaninference,whichinference
mightresultinaction.Youcantakeaperceptionintoaccountbyendorsingitwitha
belief,ormaybebyrelyingonittoguideanantecedentactivity.Butyoucannot,it
seems,takesuchstatesintoaccountbyjustactingonthem.Why?Anaturalideais
thatitispreciselybecauseoftheirdirectionoffit.Consider,then,thefollowing
generalprinciple:
36 For further discussion see: (Humberstone 1992), (Velleman 1992), (Smith 1994), (Millikan 1995),
(Platts 1997), (Sobel and Copp 2001), (Jacobson-Horowitz 2006), (Tenenbaum 2006),
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(Inertia)Itisimpossibletomakeadirectrationaltransitionfromamental
statewithsolelymind-to-worlddirectionoffittoanaction.37
Thequalificationsdirectandrationalareessential.Ononenaturalviewof
causation,itismetaphysicallypossibleforanythingtocauseanything.Soitis
metaphysicallypossibleforabelieforaperceptiontocauseanaction.Butthisis
compatiblewith(Inertia)because(Inertia)isaboutrationaltransitionnotmere
causation.Surelybeliefsandperceptionscanplaysomeroleinrationallyguiding
action.Butagainthisiscompatiblewith(Inertia)because(Inertia)isaboutdirect
rationaltransitionnotrationaltransitioningeneral.
Many,andlikelymost,philosopherswillfind(Inertia)oranearbyprinciple
attractive.38Theso-calledHumeanTheoryofMotivationentailsit.HereisMcihael
Smith'sformulationofthattheory'scentraltenet:
(P1)RattconstitutesamotivatingreasonofagentAtoiffthereissome
suchthatRattconsistsofanappropriatelyrelateddesireofAtoanda
beliefthatwereshetoshewould.39
37 If taking a perception at face value is a mental action, then (Inertia) requires qualification. Perhapssomething close to following would do: (Inertia*) Aside from taking a perception at face value, it is
impossible to make a direct rational transition from a mental state with solely mind-to-world direction
of fit to an action. I will set this complication aside. For first, it isn't clear that taking an experience at
face value is a mental action. And second, even if it is, this doesn't affect my discussion since, as
pointed out above, the transition from appreciation to inference can not be modeled on taking a
perception at face value.
38 I will generally suppress the qualification or a nearby principle, taking (Intertia) to stand for itself and
nearby principles.
39 (Smith 1994), page 92.
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Giventheplausibleassumptionthatamotivatingreasonisjustamentalstateto
whichonecandirectlyrationallyrespondwithanaction,theonlyifdirectionof(P1)
entails(Inertia).40TheHumeanTheoryofMotivationisstrongerthan(Inertia):that
is,theHumeanTheoryentails(Inertia),but(Inertia)doesnotentailtheHumean
Theory.Soanti-Humeanscanaccept(Inertia).And,infact,manydo.Manyanti-
Humeansdefendtheirviewpreciselybytryingtoshowhowacceptanceof(Inertia)
iscompatiblewithrejectionoftheHumeanTheoryofMotivation.Somearguethat
somebeliefshaveworld-to-minddirectionoffit.41Othersarguethatsomebeliefs,or
perceptions,areinseparablefromdesires.42Finally,othersarguethatamotivating
statewithaworld-to-minddirectionoffitcanariseoutof,orconsistin,the
presenceofotherstatesthatjusthavemind-to-worlddirectionoffit.43Whatallthis
suggestsisthat(Inertia)andnearbyprinciplesarephilosophicallywell-entrenched.
NowweareinapositiontodemonstrateBoghossian'sMainPremise.
(1)Inferenceisamentalaction;andthebecausalrelationbetweeninferenceandintuitionisrational,notmerelycausal.[Assumptions]
(2)Itisimpossibletomakeadirectrationaltransitionfromamentalstatewithsolelymind-to-worlddirectionoffittoanaction.[Inertia]
(3)Arationaltransitionfromamentalstateisdirectjustincaseitdoesnotconsistintakingthecontentofthatmentalstateasapremiseinan
40 One might argue that a motivating reason need not be a mental state. See (Dancy 2003). Even if this
proves correct, it would require only superficial modifications to my discussion here.
41 For discussion, both pro and con, see: (Altham 1986), (McNaughton 1991), (Smith 1994), (Little 1997),
(Jacobson-Horowitz 2006), and (Tenenbaum 2006).
42 For discussion see (Nagel 1970), (McDowell 1978, 1979), and (Dancy 1993, 2003).
43 See (Dancy 1993, 2003).
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inference.[Definition]
(4)Intuitionhassolelymind-to-worlddirectionoffit.[Premise](5)Boghossian'sMainPremise:Inordertomakeaninferencefromsome
premisestoaconclusionbecauseofone'sintuitionthatthosepremises
supportthatconclusion,onemusttaketheclaimthatthosepremises
supportthatconclusionasapremiseinaninference.[From(1),(2),(3),
and(4)]
Thedemonstrationisvalid.Theonlyquestionis:areallofitspremisestrue?(1)sets
outplausiblebackgroundassumptionsaboutinferenceandthebecausalrelation
betweeninferenceandintuitionthatIwillnotcallintoquestion.(3)isjusta
definition.Sotheonlycandidatesforrejectionare(2)and(4).Aspointedoutabove,
(2)isphilosophicallywell-entrenched,and,itseemstome,forgoodreason:itis
veryplausible.
Ibelieveweshouldgiveup(4).Intuitiondoesnothavesolelymind-to-world
directionoffit.
Oneargumentinfavorofthisviewisamodustollensargumentthatappeals
toinferentialinternalism.Theideaisthatif(4)istrue,thensoisBoghossiansMain
Premise,andifthatistrue,theninferentialinternalismisfalse,butinferential
internalismistrue,soweshouldreject(4).Ifindtheconsiderationsinfavorof
inferentialinternalismpersuasive,soIfindthisargumentpersuasive.Onemight
worrythatitisdialecticallyproblematicsinceitmightappearillegitimatetoassume
inferentialinternalism.Thisworryseemsmisplacedtome,however.Boghossian
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recognizestheforceoftheconsiderationsinfavorofinferentialinternalismand
arguesthatthisforceisoverriddenbyastrongerCarrollianargumentagainst
inferentialinternalism.Thestrengthofthatargument,however,dependsonthe
assumptionthatintuitionhassolelymind-to-worlddirectionoffit.Oncewe
recognizethatthisassumptionisnotmandatory,wehavetheoptionofrejectingit.
Onewaytoremovethisoptionistogivepositiveconsiderationsinfavorofthinking
thatintuitiondoeshavesolelymind-to-worlddirectionoffit,sothatthisisno
longeranassumption,butanindependentlysupportedpremise.Intheabsenceof
suchconsiderations,however,themodustollensargumentisdialecticallylegitimate.
Still,onemightwantareasontoreject(4)thatisindependentofcommitmentto
inferentialinternalism.
Anotherargumentinfavorofthinkingintuitionhasworld-to-minddirection
offitappealstothesamesortsofconsiderationsonemightappealtoinarguingthat
desirehasworld-to-minddirectionoffit.Sincedesireistheparadigmexampleofa
mentalstatewithworld-to-minddirectionoffit,itisraretofindargumentsinfavor
ofthinkingthatitdoeshaveworld-to-minddirectionoffit.Butifoneaimedtogive
suchanargument,hereishowitmightgo.Reflectionontherolesdesiresplayinour
livessuggeststhatwecandirectlyrationallyrespondtothemwithactions,soby
(Inertia),theydonothavesolelymind-to-worlddirectionoffit.Similarly,onemight
argueasfollows.Reflectionontherolesintuitionsplayinourlivessuggeststhatwe
candirectlyrationallyrespondtothemwithactionse.g.inferencessoby
(Inertia),theydonothavesolelymind-to-worlddirectionoffit.Onemightchallenge
(Inertia).Onemightchallengetheclaimaboutwhatreflectionontherolesintuitions
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playsuggests.Onemightchallengethereliabilityofthisreflection;thatis,perhapsit
doessuggesttheroleIhavedescribed,butitismistaken.Noneoftheseoptions
seemsplausibletome.Ihavealreadyreviewed(Inertia).Reflectionontheroles
instancesofakindofmentalstateplayinourlivesmightbelimitedandfalliblein
whatittellsusaboutthatmentalstate,butitdoesseemlikeareliablesourceof
informationaboutverybasicfeaturesofthoseroles.Finally,reflectiondoessuggest
thattheredoesntneedtobeanyintermediateinferencebetweenintuitionthatthe
premisesinanargumentsupportitsconclusionandinferringthatconclusionfrom
thosepremises.
Theforgoingsupportsthefollowing:
World-to-Mind:insomecases,tointuitthatsomepremisessupportsome
conclusionis,atleastinpart,tobeinamentalstatethathasworld-to-mind
directionoffit.
IftheWorld-to-Mindthesisiscorrect,andintuitionisn'tlikeperceptionorbelief
onorthodoxconceptionsofthesestatesthenwhatisitlike?Tocompareintuitions
withdesiresseemssilly.44Acomparisonwithintentionsseemsmoreplausible,but
stillforced.Abettercomparisoniswithstatessuchasfeltcommands,demands,and
obligationsthatcanbethoughtofasmentalimperatives.45Thisfitswiththe
44 Some philosophers use desire to pick out the general category of mental states with world-to-mind
direction of fit. I am not following this technical usage here.
45 Commands, demands, and obligations are not mental. The mental imperative is the impression a
command, demand, or obligation makes when felt. Maurice Mandelbaum appeals to mental imperatives
in exploring the phenomenology of moral experience; see (Mandelbaum 1955). Another area where
philosophers have found it useful to appeal to mental imperatives is in work on the nature of pain. Some
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metaphorsexpressedinphrasessuchasbeingmovedbytheforceofreasonor
beingcompelledbyreason.Mostlikely,however,anycomparisonwithother
stateswillbemoreorlessmisleading,sinceintuitionsaresuigenerismentalstates.
Inspecifyingthecontentwithrespecttowhichanintuitionhasworld-to-
minddirectionoffitIwillusethegeneralnotionofdirection.Tointuitthatsome
premisessupportsomeconclusion,then,is,atleastinpart,tobedirectedtodo
something,namelytobelievethatconclusiononthebasisofthosepremises.Itis
importanttoreadthisclaimproperly:thedirectionisto[believethatconclusionon
thebasisofthosepremises],notjustto[believethatconclusion].Oneofthethings
wecandoisformbeliefs.Anotherofthethingswecandoisbasesomebeliefson
others,thatis,modifytheepistemicdependenciesthatholdamongourbeliefs.46
WhatIamsuggesting,then,isthatinsomecasesintuitionsdirectonetodothis.
Here,then,isawaytothinkaboutthetransitionfromintuitiontoinference.
Takethemodusponensargumentfrom(1)iftodayisthe20th,thenMarthaArgerich
isplayingtodayinCarnegieHall,and(2)todayisthe20th,to(3)MarthaArgerichis
playingtodayinCarnegieHall.Supposeyouinfer(3)from(1)and(2)becauseyou
intuitthat(1)and(2)support(3).Yourintuitionisamentalstatethatdirectsyouto
believe(3)onthebasisofyourbeliefs(1)and(2).Yourinferenceisthemental
actionyouperformwhenyoudowhatyouaredirectedtodo.Thatis,yourinference
isthementalactionofbelieving(3)onthebasisof(1)and(2).EarlierIconsidered
theideathatinferencestandstointuitionastakingatfacevaluestandsto
writers defend an imperatival theory of pain; for discussion, see (Klein 2007, forthcoming) and (Hall
2008).
46 Of course, in some cases in order to do this we also have to form a belief. This is what happens whenwe reason our way to a new belief.
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perception.Thisanalogygavethewrongresults.Nowwehaveanimprovedanalogy.
Inferencestandstointuitionasactionstandstodirection.Thisanalogygivesthe
correctresults,sincefollowingadirectiontobelieveonethingonthebasisofother
thingsdoespreciselyresultinbelievingonethingonthebasisofotherthings.
TheWorld-to-MindthesisdefusesBoghossian'sCarrollianArgument.It
doesn'tdefusetheargumentbysimplyremovingonewayofdemonstratingitsMain
Premise,forperhapsthereareotherwaysofdemonstratingtheMainPremise.
Rather,theWorld-to-MindthesisdefusesBoghossian'sCarrollianArgumentby
providingaconceptionofintuitionthatallowsustoseewhythatargument'sMain
Premiseisfalse.Ifintuitionsometimeshasaworld-to-minddirectionoffit,thenitis
thesortofstatetowhichonecandirectlyrationallyrespondwithamentalaction.
Thecomparisonofintuitionwithfeltcommands,demands,andobligationshelpsto
makethisclear.Yourintuitiondirectsyoutobelievesomeconclusiononthebasisof
somepremises,andyourinferenceisthementalactioninwhichyoudowhatyou
aredirectedtodo.
6.ObjectionsandElaborations
ThedefenseoftheWorld-to-Mindthesisdevelopedintheprevioussectionis
incomplete.InthissectionIintroducetwoelaborationsinresponsetotwo
objections.
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ThefirstobjectionderivesfromGilbertHarman'sdiscussionofthedifference
betweentruthsaboutgoodreasoningandtruthsaboutlogicalconsequence.47
SupposeSintuitsthatPsupportsQ.SoSisinamentalstatethatdirectshimtobase
abeliefthatQonhisbeliefthatP.ThissuggeststhattheonlywayforStorationally
respondtohisintuitionistobelieveQonthebasisofP.Butitseemsanother
thingSmightdoisrevisehisbeliefinP.Thatis,hisintuitionthatPsupportsQmight
justaswellleadhimtogiveupPasbelieveQonthebasisofP.
Itwillhelptosetouttheworryintheformofaninconsistenttriad:
1. IfSintuitsthatPsupportsQ,thenSisinamentalstatethatdirectshimtobelieveQonthebasisofP.[World-to-Mind]
2. IfSisinamentalstatethatdirectshimtobelieveQonthebasisofP,thentheonlywayforStorationallyrespondtothismentalstateistobelieveQonthe
basisofP.[Premise]
3. ButitispossibleforStorationallyrespondtohisintuitionthatPsupportsQbyrevisinghisbeliefthatP.[Harman'sObservation]
Therearetwonaturalrepliestothisworry.
Thefirstistoreject(2).Directionsingeneralcanberesisted.Theythrow
theirweightinfavorofanaction,buttheydonotcompelit.Thisisclearfromthe
possibilityofreceivinginconsistentdirectionsi.e.directionsthatcannotjointlybe
satisfied.Itispossibletobedirectedto,takethisdirectionseriously,berational,
47 See (Harman 1986).
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andnot.Thereasonwhyisthatallthingsconsideredyoumighthavemostreason
todosomethingotherthan.Forexampleyoumightreceiveamorecompelling
directiontonot-.So(2)isfalse,and(1)and(3)arecompatiblewitheachother.
AnotherreplyistoarguethatexpressingHarmansObservationwith(3)is
makingpreciselytheconfusionthatHarmanaimedtoexpose.Distinguish(3)from
(3*):
(3*)ItispossibleforStorationallyrespondtohisintuitionthatQisalogical
consequenceofPbyrevisinghisbeliefthatP.
(3*)expressesHarmansObservation,but(3)doesnot.Thedifferenceisthat(3*)is
aboutthelogicalconsequencerelationand(3)isaboutwhatIhavebeencallingthe
supportrelation.SofarIhavenotnotemphasizedthisdistinctionsinceitdidnot
bearonthediscussion.Butnowitdoes.Therearemanydifferentrelationsinthe
vicinity.WhatIhaveinmindintalkingaboutthesupportrelationistherelationship
onesbeliefthatPhastobelievingthatQwhenonehasareasontobaseabeliefthat
QononesbeliefthatP.So,whenSintuitsthatPsupportsQ,whatSintuitsisthatS
hasareasontobaseabeliefthatQonSsbeliefthatP.AsHarmanpointsout,thisis
differentfromSintuitingthatQisaconsequenceofP,sinceQmightbea
consequenceofPwithoutShavingareasontobaseabeliefthatQonSsbeliefthat
P.
Notethat(3)mightstillbetrue.Butifitistrue,thisisbecausereasonsare
defeasible.AndthatisthepossibilitycapturedbythefirstreplyImadetotheworry.
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WhatdoesnotseempossibleisforStorationallyrespondtoanundefeated
intuitionthatPsupportsQi.e.anundefeatedintuitionthatShasareasontobasea
beliefthatQonSsbeliefthatPbyrevisinghisbeliefthatP.ForifitisrationalforS
torevisehisbeliefthatP,then,allthingsconsidered,Snolongerhasareasonto
baseabeliefthatQonSsbeliefthatP.
NowIturntothesecondobjection.Ihavesetoutconsiderationsinfavorof
thinkingthatintuitionhasworld-to-minddirectionoffit.Butitisobviousthat
intuition,likeperception,hasmind-to-worlddirectionoffit.Howcanthe
considerationsbesquaredwiththisobviousfact?
MyreplyhasalreadybeenforeshadowedinhowIformulatedtheWorld-to-
Mindthesis:tointuitthatsomepremisessupportsomeconclusionis,atleastin
part,tobeinamentalstatethathasworld-to-minddirectionoffit.Thisleavesopen
thepossibilitythatintuitionalsohasmind-to-worlddirectionoffit.Andthisisthe
replytothepresentobjectionthatIpropose.Intuitionshavebothmind-to-world
andworld-to-minddirectionoffit.TheyarewhatMillikancallspushmi-pullyu
representations.
Therearereasonstothinkintuitionisnotanisolatedcase.Millikanmentions
animalsignals,performativeutterances,innerrepresentationsthatanimalsuseto
navigate,intentions,andmentalrepresentationsofsocialnormsasexample
pushmi-pullyurepresentations.48Somephilosophersdefendtheviewthatmoral
judgmentsarepushmi-pullyurepresentations.49AndTimothyBaynehasrecently
48 See (Millikan 1995).49 This case has received the most discussion. See, for example, (Altham 1986), (McNaughton 1991),
(Smith 1994), (Little 1997), (Jacobson-Horowitz 2006), and (Tenenbaum 2006).
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arguedthatexperiencesofagency,suchasthefeelingofperformingsomeaction,
arepushmi-pullyurepresentations.50Anygivencaseisboundtoraiseitsown
controversies.Butthecategoryisdefensible,andiftherearebothconsiderationsin
favorofassigningarepresentationamind-to-worldandaworld-to-minddirection
offit,thentheseconsiderationsjointlyconstituteareasontoassignitboth.This
seemstometobethecasewithatleastsomeintuitions.
7.TheGroundofIntuitiveGuidance
The18thcenturymoralsensetheorist,FrancisHutcheson,skepticallyasked
hisrationalistcontemporariesWhatisthisconformityofactionstoreason?51John
Balguyanswered:
[the]questionamountsplainlytothis:whatdoesareasonablecreature
proposeinactingreasonably?Orwhatisitthatinduceshiswilltotake
councilofhisunderstanding?Asifthiswerenottheveryessenceofarational
action!52
ThequestionIwillpursueinthissectionwhatisitinvirtueofwhichanintuition
canplayanaction-guidingrationalrole?ismodeledonHutchesons.TheanswerI
willproposeismodeledonBalguys.
50 See (Bayne 2010).51(Raphael 1969), pg 361.52(Raphael 1969), pg 455.
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TheviewthatIwilldefendisthis:Intuitionsplayaction-guidingrational
rolesinvirtueofplayingjustifyingrationalroles.Eventhoughaction-guidingroles
aredistinctfromjustifyingroles,itcanbe,andIaminclinedtothinkthatitis,true
thatwhatexplainswhyintuitionscanplayaction-guidingrolesisthattheyplay
justifyingroles.ConsiderSmith.Invirtueofwhatdoeshisintuitionthat(A1)that
ConnieandCyndiareaconeandacylinderwiththesamebaseandeightsupports
believingthat(A2)thatCyndienclosesagreatervolumethanConnieguidehis
inference?Theanswer,inmyview,isthatitisbecausehisintuitionjustifieshimin
believingthat(A1)supports(A2).
Themainreasonforthisviewderivesfromtheobservationaboutrationality
thatBalguyseemstometohaveinmind.InexpandingonBalguysclaim,itwillbe
helpfultohaveasimplerclaimtoserveasamodel.Considerthefollowing:
Inastatewiththeappropriatelaws,parkingnexttoafirehydrant
constitutesparkingillegally.
Theaboveseemsstraightforwardenough,buttherearethreeobservationsworth
emphasizing.First,Inastatewiththeappropriatelaws,isessential.Withoutthe
laws,parkingnexttoafirehydrantmightnotbeillegal.Second,nothingneedsto
happeninadditiontoparkingnexttoafirehydrantinorderforyoutoparkillegally:
giventhelaws,parkingnexttoafirehydrantcountsasparkingillegally.Thisisthe
pointofinvokingthenotionofconstitution.Third,ifyourcarisparkednexttothe
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firehydrantthenitisparkedillegally,butitisstillalsoparkednexttothefire
hydrant.Itisnotasiftheonepropertytakestheplaceoftheother.
AsIunderstandBalguy,heismakingasimilarpointaboutrationality,
graspingreasons,andguidanceofthewill.HereishowIwouldputit:
Inarationalperson,amentalstatee.g.anintuitionthatjustifiesbelieving
thatonehasareasontoconstitutesamentalstatethatguidesoneto.
Herearethreeobservationsanalogoustothosemadeabove,thoughinreverse
order.IwillmaketheminrelationtoSmithandhisinferenceof(A2)from(A1).
First,ifSmithsintuitionthat(A1)supports(A2)justifieshiminbelievingthat(A2)
supports(A1),thenitguideshisinferring(A2)from(A1),butitstillalsojustifies
himinbelievingthat(A1)support(A2).Justaswiththecar,itisnotasiftheone
propertytakestheplaceoftheother.Sooneintuitioncanplayboththejustifying
andtheaction-guidingrole.Second,nothingneedstohappeninadditiontoSmiths
intuitionjustifyinghiminbelievingthat(A1)supports(A2)forittoguidehis
inferring(A2)from(A1).Inparticular,Smithdoesnotneedtogothroughanyextra
bitofreasoning,sothereisnothreatofaCarrollianregressreemergingatthispoint.
Third,Inarationalperson,playsarolesimilartothatplayedbyInastatewith
theappropriatelaws.Partofwhatitisforastatetohavetheappropriatelawsis
forittobeastateinwhichparkingnexttoafirehydrantconstitutesparking
illegally.Similarly,onewaytocaptureapopularideaaboutrationalityistosaythat
partofwhatitisforapersontoberationalistobeapersonforwhommentalstates
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thatplayjustifyingroleswithrespecttoreasonsconstitutementalstatesthatplay
action-guidingroles.53Onemightworryaboutpressingtheanalogytoofar.The
statehaslawsanditisinvirtueofthesethatparkingnexttoafirehydrant
constitutesparkingillegally.Maybetherearelawsofrationalityanditisinvirtueof
thesethatmentalstatesthatplayjustifyingroleswithrespecttopropositionsabout
reasonsconstitutementalstatesthatplayaction-guidingroles.Butperhaps
rationalitycannotbearticulatedbyasetoflaws.Allthatmattersformypurposes
hereisthatwhateverthenatureofrationalityturnsouttobe,thatnaturewillmake
itsothatinsofarasapersonisrationalmentalstatesthatplayjustifyingroleswith
respecttopropositionsaboutreasonsconstitutementalstatesthatplayaction-
guidingrolesforthatperson.
Thisviewofthegroundofintuitiveguidanceprovidesabasisforresponding
toanobjectiontotheviewthatintuitionsarepushmi-pullyurepresentations.The
objectioncanbeputlikethis.SupposeSsintuitionthatPsupportsQbothdirectsS
tobelieveQonthebasisofP,andpresentsitastruethatPsupportsQ.Ifthereare
thesetwopartsoftheintuitionthedirectivepartandthedescriptivepartthen
theremustbesomestoryabouthowaninferencethatismadeinresponsetothe
intuitionrelatestobothparts.Ifitisjustaresponsetothedirectivepart,thenitis
justasiftheinferenceismadeinignoranceoftheinformationthatPsupportsQ.Ifit
53 Compare: a rational person who judges there to be compelling reason to do A normally forms the
intention to do A, and this judgment is sufficient explanation of that intention and of the agents acting
on it (since this action is part of what such an intention involves). There is no need to invoke an
additional form of motivation beyond the judgment and the reasons it recognizes, some further force to,
as it were, get the limbs in motion. (Scanlon 1998), pages 3334. And: For me to be a theoreticallyrational person is not merely for me to be capable of performing logical and inductive operations, but
for me to be appropriately convinced by them: my conviction in the premises must carry through, so to
speak to a conviction in the conclusion. (Korsgaard 1986), pg 14.
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isjustaresponsetothedescriptivepart,thenitisaviolationof(Inertia).Ifitisa
responsetosomeinferentialintegrationofthetwoparts,thenitwillleadtoa
Carrollianregress.Inbrief,introducingtheseconddirectionoffitseemstohaveput
usbackinsquareone.
Thereplytothisobjectionisthatthereisafourthoption.Thefirsttwo
optionsseemclearlymistakentome.InmyviewwhenSinfersQfromPbecausehe
intuitsthatPsupportsQhisinferenceisaresponsetotheintuitionasawhole,not
tooneoranotherpartofit.Thisraisesthequestion,however:howarethetwoparts
fusedtogetherintoawholetowhichSmightrespond?Thethirdoptiondescribed
abovesuggestsitisbyinferentialintegrationi.e.astwopartsofaninference.But
thisisalsoclearlymistakensinceitleadstoCarrollianregress.Whatisneededisan
accountofhowthetwopartsarefusedtogetherintoawholethatdoesnotappealto
theirinferentialintegration.Theaccountofintuitiveguidancesuggestssuchan
account:thedescriptivepartconstitutesthedirectivepart.
Anotherobjectiontotheviewthatintuitionsplayaction-guidingrolesin
virtueofplayingjustifyingrolesisthatitrendersintuitionsdispensableasguidesto
action.Ivebeenarguingthatintuitionsplayaction-guidingrolesthatcannotbe
assimilatedto,eveniftheyareexplainedby,theirjustifyingroles.But,onemight
wondernow,whatwasthepoint?Supposeintuitionscouldplayaction-guidingroles
invirtueofjustifyingbeliefsaboutreasonsforaction.Thentheyneednt,sinceall
guidancemightderivefromthebeliefssojustified.Allintuitionsneedtodoisjustify
beliefs,andthenthesebeliefsguideouractions.
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Twoinitialpoints.First,noteitsimplydoesnotfollowfromtheclaimthat
intuitionsguideactioninvirtueofjustifyingbeliefsaboutreasonsforactionthat
beliefsaboutreasonsforactioncanthemselvesguideaction.Humeanscouldvery
wellberightaboutthemotivationalinefficacyofbelief.WhileIthinkthereis
somethingtothisidea,Iwillnottakeitonasacommitment.Second,onemight
concedethatintuitionsaredispensableasguidestoaction,butstillthinktheydoin
factguideaction,andsothinkitisworthsheddinglightonthematter.Itisnotasif
everyworthyobjectofinvestigationmustbeindispensible.Thatsaid,letsseeif
intuitionsreallyaredispensableasguidestoaction.
Itseemstomethatbetweenthetwobeliefsandintuitionsbeliefsare
moredispensablethanintuitionsasguidestoaction.Contrastthefollowingtwo
claims.ThefirstismyglossonBalguy:inarationalperson,amentalstatee.g.an
intuitionthatjustifiesbelievingthatonehasareasontoconstitutesamental
statethatguidesoneto.Thesecondisasimilarlookingalternative:inarational
person,amentalstatee.g.abeliefthatrepresentsthatonehasareasonto
constitutesamentalstatethatguidesoneto.Ithinkweshouldbelessconfident
inthisalternativeclaim.Itmightbethatconsistencyrequiresactinginaccordance
withwhatyoubelieveyourreasonsforactionare.Butsupposethesebeliefsare
unjustified.Theninsofarasyouarerational,youshouldgivethemup,notactin
accordancewiththem.Soitseemsthatifbeliefsplayaction-guidingroles,this
dependsontheirbeingjustifiedbyintuitions.Ontheotherhand,ifintuitionsabout
reasonsforactionplayaction-guidingroles,theirabilitytodosodoesnotdepend
ontheirleadingtobeliefs.Youcanactinlightofthejustificationyouhavefor
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believingthatyouhaveareasontoactwithoutformingthebeliefthatyouhavethat
reasontoact.Infact,thisislikelythenorm.Beliefsarementalstateswithacertain
degreeofpermanency.Mostofouractionshavelittlesignificancebeyondthe
momentoftheiroccurrence.Itwouldbesillytoformstandingbeliefsaboutwhat
reasonsyouhaveforalltheactionsyouperforminlife.Soitseemsthatifintuitions
playaction-guidingroles,theirdoingsodoesnotdependontheirleadingtobeliefs.
Thereisreasontothink,then,thatbeliefsaremoredispensablethanintuitionsas
guidestoaction.54
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