pascal
TRANSCRIPT
More MetaphysicsBlaise Pascal
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what happens if you die in the matrix?why does it matter?
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why does it matter?
why does Neo want to know what happens if you
die in the matrix?
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what about real life...
• is there anything that changes the way you live?
•we’re going to think about something related to this today...
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but first:some words you need to know
• agnostic
• theist
• atheist
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Pascal - The Man...•French•1623-1662•Mother died.•bit of a maths geek.•home-schooled by
mathematician father.•contemporary of R
Descartes
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there is neither
proof that God does or
does not exist.
so what should we do?
remember the maths...
the the agnostic agnostic is rightis right
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believe in God!It still makes sense to believe
in God, and the sensible thing, the maths/logical thing
to do, is to believe.
Can you work out why?
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Heaven &
Hell
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1. If you believe in God and God does exist, you will be rewarded in the afterlife.
2. If you do not believe in God and God does exist, you will be punished in the
afterlife.3. If God does not exist, nothing will
happen to you in the afterlife whether you believed in him or not.
4. Clearly there is more to gain from believing than not believing in God.
5. Therefore it makes sense to believe in God.
formally:
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think another way...• you meet a guy, who says
if you meet him at the police station, he will give you a million pounds
•would you go?
•what happens if you do, if you don’t?
• (assume being at the police station means the guy isn’t going to try and put you in the boot of his car...)
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SoThe potential benefits, are much greater than the potential losses.
So you might as well go to the station.
Now make a table for Pascal’s Wager...
Guy turns up with money
Guy is nowhere to be
seenyou believe & go to police
stationYOU’RE RICH you go home
you think crazy & don’t
go...
nothing changes,
you’re guttedyou go home
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God is Real/Exists
God does not exist
you believeyou live in paradise(BIG +)
nothing happens(£0.00)
you do not believe
you live in hell(BIG -)
nothing happens(£0.00)
so clearly the only thing to do is to choose between
[BIG + or nothing] or [BIG - or nothing]
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problem solved
everyone should believe in God
It’s the sensible thing to do...
NOT AT A
LLand the objections are
easy enough to spot. Give it a go in groups.
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why do we believe things
usually?write the question & think
about it...
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that’s a problem...
pascal’s reasons to believe are not the usual ‘believing
reasons’
he tells us that the potential gain in happiness is better, but nothing of the likelihood that this happiness will happen...
if i told you it might be good for you to believe something, it doesn’t mean you would...
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put simplybelief isn’t about what you would like to be the case,
it’s about what you believe to be the case.
if someone says your parent is in hospital, saying that you don’t want to believe it
doesn’t help much.
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you don’t lose?
Pascal says if you spend a devoted life believing and it turns out that God isn’t there, you don’t lose out.
Is this true?
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sacrifice servitude abstinence restraint devotionobedienceThis depends what
religion and belief is really all about. could be about the best
way to live... or maybe not...?
if you only live once, you have to decide on the best way to live...
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is the real wager
between belief & not?
is it more complicated than that?
what do you believe in?
could you lose if you believe in the wrong thing?
or is God bigger than religion?
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Cosmological Argument
perfect answer and some late additions
cosmological cosmological argumentargument
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
is the is the cosmological cosmological
argument argument convincing?convincing?
conclusconclusionion
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
conclusconclusionion
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
conclusconclusionion
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
yesyes nono
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
conclusconclusionion
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
yesyes nono
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
seems to fit with the idea of a finite seems to fit with the idea of a finite universeuniverse
Einstein, HubbleEinstein, HubbleBig bang as caused?Big bang as caused?
some say big bang, but this fits some say big bang, but this fits nicely for Aquinas...nicely for Aquinas...
conclusconclusionion
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
yesyes nono
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
‘‘schoolboy’ objection, either: p1 & schoolboy’ objection, either: p1 & p4 contradict or: ‘well who made p4 contradict or: ‘well who made
God?’God?’
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
this is a bad objection...this is a bad objection...p 1-3 describe a problemp 1-3 describe a problem
p4 is like a solution or a tactical p4 is like a solution or a tactical substitutionsubstitution
seems to fit with the idea of a finite seems to fit with the idea of a finite universeuniverse
Einstein, HubbleEinstein, HubbleBig bang as caused?Big bang as caused?
some say big bang, but this fits some say big bang, but this fits nicely for Aquinas...nicely for Aquinas...
conclusconclusionion
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
yesyes nono
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
‘‘schoolboy’ objection, either: p1 & schoolboy’ objection, either: p1 & p4 contradict or: ‘well who made p4 contradict or: ‘well who made
God?’God?’
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
this is a bad objection...this is a bad objection...p 1-3 describe a problemp 1-3 describe a problem
p4 is like a solution or a tactical p4 is like a solution or a tactical substitutionsubstitution
this is where Aquinas talks about this is where Aquinas talks about ‘necessary’ and ‘contingent’ beings‘necessary’ and ‘contingent’ beings
definitionsdefinitions
fallacy of composition? fallacy of composition? equivocation?equivocation?
explain both these phrases and explain both these phrases and explain how they apply (Russell)explain how they apply (Russell)
seems to fit with the idea of a finite seems to fit with the idea of a finite universeuniverse
Einstein, HubbleEinstein, HubbleBig bang as caused?Big bang as caused?
some say big bang, but this fits some say big bang, but this fits nicely for Aquinas...nicely for Aquinas...
conclusconclusionion
quantum theory• remember we talked
about Professor Hawking
• at an atomic level things do on occasion happen by chance, in fact always
• perhaps this means there didn’t need to be a first cause?
but there was still something...
Ockham’s Razer•William of Ockham
•whatever is the most likely explanation is probably what happened
•what’s more probable?
•Quantum accident or Divine causation?
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
yesyes nono
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
‘‘schoolboy’ objection, either: p1 & schoolboy’ objection, either: p1 & p4 contradict or: ‘well who made p4 contradict or: ‘well who made
God?’God?’
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
this is a bad objection...this is a bad objection...p 1-3 describe a problemp 1-3 describe a problem
p4 is like a solution or a tactical p4 is like a solution or a tactical substitutionsubstitution
this is where Aquinas talks about this is where Aquinas talks about ‘necessary’ and ‘contingent’ beings‘necessary’ and ‘contingent’ beings
definitionsdefinitions
fallacy of composition? fallacy of composition? equivocation?equivocation?
explain both these phrases and explain both these phrases and explain how they apply (Russell)explain how they apply (Russell)
seems to fit with the idea of a finite seems to fit with the idea of a finite universeuniverse
Einstein, HubbleEinstein, HubbleBig bang as caused?Big bang as caused?
some say big bang, but this fits some say big bang, but this fits nicely for Aquinas...nicely for Aquinas...
conclusconclusionion
Niels Bohr, Quantum TheoryNiels Bohr, Quantum TheoryThings can just appear/happen Things can just appear/happen
at atomic levelat atomic levelWilliam of Ockham, Okham’s RazorWilliam of Ockham, Okham’s RazorPerhaps God is more likely than atomic Perhaps God is more likely than atomic
flukefluke
question of infinity
• just a reminder...
• is an infinite regress really illogical?
• perhaps not, but this moves beyond our reason...
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
yesyes nono
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
‘‘schoolboy’ objection, either: p1 & schoolboy’ objection, either: p1 & p4 contradict or: ‘well who made p4 contradict or: ‘well who made
God?’God?’
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
this is a bad objection...this is a bad objection...p 1-3 describe a problemp 1-3 describe a problem
p4 is like a solution or a tactical p4 is like a solution or a tactical substitutionsubstitution
this is where Aquinas talks about this is where Aquinas talks about ‘necessary’ and ‘contingent’ beings‘necessary’ and ‘contingent’ beings
definitionsdefinitions
fallacy of composition? fallacy of composition? equivocation?equivocation?
explain both these phrases and explain both these phrases and explain how they apply (Russell)explain how they apply (Russell)
seems to fit with the idea of a finite seems to fit with the idea of a finite universeuniverse
Einstein, HubbleEinstein, HubbleBig bang as caused?Big bang as caused?
why exactly does he say that a chain of why exactly does he say that a chain of causes cannot be infinite?causes cannot be infinite?
though counter-intuitive perhaps not though counter-intuitive perhaps not mathematically contradictory mathematically contradictory
some say big bang, but this fits some say big bang, but this fits nicely for Aquinas...nicely for Aquinas...
conclusconclusionion
Niels Bohr, Quantum TheoryNiels Bohr, Quantum TheoryThings can just appear/happen Things can just appear/happen
at atomic levelat atomic levelWilliam of Ockham, Okham’s RazorWilliam of Ockham, Okham’s RazorPerhaps God is more likely than atomic Perhaps God is more likely than atomic
flukefluke
cosmological cosmological argumentargument
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
yesyes nono
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
‘‘schoolboy’ objection, either: p1 & schoolboy’ objection, either: p1 & p4 contradict or: ‘well who made p4 contradict or: ‘well who made
God?’God?’
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
this is a bad objection...this is a bad objection...p 1-3 describe a problemp 1-3 describe a problem
p4 is like a solution or a tactical p4 is like a solution or a tactical substitutionsubstitution
this is where Aquinas talks about this is where Aquinas talks about ‘necessary’ and ‘contingent’ beings‘necessary’ and ‘contingent’ beings
definitionsdefinitions
fallacy of composition? fallacy of composition? equivocation?equivocation?
explain both these phrases and explain both these phrases and explain how they apply (Russell)explain how they apply (Russell)
seems to fit with the idea of a finite seems to fit with the idea of a finite universeuniverse
Einstein, HubbleEinstein, HubbleBig bang as caused?Big bang as caused?
why exactly does he say that a chain of why exactly does he say that a chain of causes cannot be infinite?causes cannot be infinite?
though counter-intuitive perhaps not though counter-intuitive perhaps not mathematically contradictory mathematically contradictory
some say big bang, but this fits some say big bang, but this fits nicely for Aquinas...nicely for Aquinas...
conclusconclusionion
measured measured responseresponse
if universe is within our reason then if universe is within our reason then possiblepossible
inconclusiveinconclusivequantum physics is still quantum physics is still
relatively newrelatively new
Niels Bohr, Quantum TheoryNiels Bohr, Quantum TheoryThings can just appear/happen Things can just appear/happen
at atomic levelat atomic levelWilliam of Ockham, Okham’s RazorWilliam of Ockham, Okham’s RazorPerhaps God is more likely than atomic Perhaps God is more likely than atomic
flukefluke
cosmologcosmological ical
argumenargumentt
what is the what is the cosmological cosmological argument?argument?
1 Everything has a cause1 Everything has a causeII Nothing is its own II Nothing is its own
causecauseIII Chain cannot be III Chain cannot be
infiniteinfiniteIV There must a be first IV There must a be first
causecauseV This is GodV This is God
Who? Thomas Aquinas Who? Thomas Aquinas (Christian)(Christian)
Where? 5 ways, Summa Where? 5 ways, Summa TheoligicaTheoligica
Why? Trying to provide Why? Trying to provide foundation for belief in foundation for belief in
God.God.
is the is the cosmological cosmological
argument argument convincing?convincing?
yesyes nono
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
‘‘schoolboy’ objection, either: p1 & schoolboy’ objection, either: p1 & p4 contradict or: ‘well who made p4 contradict or: ‘well who made
God?’God?’
Other Version: Other Version: KalamKalam
William Lane William Lane CraigCraig
this is a bad objection...this is a bad objection...p 1-3 describe a problemp 1-3 describe a problem
p4 is like a solution or a tactical p4 is like a solution or a tactical substitutionsubstitution
this is where Aquinas talks about this is where Aquinas talks about ‘necessary’ and ‘contingent’ beings‘necessary’ and ‘contingent’ beings
definitionsdefinitions
fallacy of composition? fallacy of composition? equivocation?equivocation?
explain both these phrases and explain both these phrases and explain how they apply (Russell)explain how they apply (Russell)
seems to fit with the idea of a finite seems to fit with the idea of a finite universeuniverse
Einstein, HubbleEinstein, HubbleBig bang as caused?Big bang as caused?
why exactly does he say that a chain of why exactly does he say that a chain of causes cannot be infinite?causes cannot be infinite?
though counter-intuitive perhaps not though counter-intuitive perhaps not mathematically contradictory mathematically contradictory
some say big bang, but this fits some say big bang, but this fits nicely for Aquinas...nicely for Aquinas...
conclconclusionusionmeasured measured responseresponse
if universe is within our reason then if universe is within our reason then possiblepossible
inconclusiveinconclusivequantum physics is still quantum physics is still
relatively newrelatively new
Niels Bohr, Quantum TheoryNiels Bohr, Quantum TheoryThings can just appear/happen Things can just appear/happen
at atomic levelat atomic levelWilliam of Ockham, Okham’s RazorWilliam of Ockham, Okham’s RazorPerhaps God is more likely than atomic Perhaps God is more likely than atomic
flukefluke