the epistemic value of rationality
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The Epistemic Value of Rationality. Alexandru W. Popp APOC Services – Research and Development Division 4650 Clanranald Suite 16, Montreal, Quebec, H3X 2R9, Canada [email protected], [email protected]. SERVICES. - PowerPoint PPT PresentationTRANSCRIPT
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The Epistemic Value of Rationality
Alexandru W. Popp
APOC Services – Research and Development Division
4650 Clanranald Suite 16, Montreal, Quebec, H3X 2R9, Canada
[email protected], [email protected]
SERVICES
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Abstract
Models of rational choice use different definitions of rationality. However, there is no clear description of the latter. We recognize rationality as a conceptual conglomerate
where reason, judgment, deliberation, relativity, behavior, experience, and pragmatism interact. Using our definition, the game theoretic idealized principle of rationality becomes
absolute. Our model gives a more precise account of the players, of their true behavior. We show that the Rational Method (RM) is the only process that can be used to achieve a
specific goal. We also provide schematics of how information, beliefs, knowledge, actions, and purposes interact with and influence each other in order to arrive to a specific goal. Furthermore, ration, the ability to think in the RM framework, is a singularity in time and space. Having a unilateral definition of rationality, different models and theories now
have a common ground on which we can judge their soundness.
conceptual conglomerate, traditional rationality, rational method, ration
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MAP OF TRADITIONAL RATIONALITY (TR)
Rationality is linked to Reason. Rationality is having the capacity (ability) to Reason.
Reason is a human mode of judgment.Reason is grasping needful connections.
Rationality is based on skilful deliberations (reasoning). Rationality is relative
what is rational for one does not necessarily mean that is rational for another.
Rational behavior does not necessarily mean rational individual, and vice versa. Irrational behavior does not necessarily mean irrational individual, and vice versa. Rationality is guided by experience. Rationality is to achieve the end result.
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Rational Choice Theory (RCT), TR is the deliberation and finding the best course of action.
RCT tries to predict what actual action will be taken.
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Three general characteristics attributed to TR and the actors that use TR:
Traditional Rational Player: A player is rational if it chooses the alternative that has the highest utility.
(1)
Reverse Causality of TR: The reason why a person chooses a certain strategy is that the specific strategy has the highest utility.
(2)
Comparison of Utility: If Blue values an outcome higher than Red, then Blue values more the outcome than Red.
(3)
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Game Theory uses two major assumptions regarding the player:
Assumption 1.
The player can analyze the game, i.e. he is sufficiently intelligent.(4)
Assumption 2. Von Neumann/Morgenstern’s utility function can express the player’s
preferences.(5)
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Assumption 1. The player can analyze the game, i.e. he is sufficiently intelligent.
(4)
Assumption 2. Von Neumann/Morgenstern’s utility function can express the player’s
preferences.(5)
Traditional Rational Player: A player is rational if it chooses the alternative that has the highest
utility.(1)
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Experience
1. interaction with the environment;
2. acquiring information;
3. transforming this information into knowledge;
4. having the ability to reason and deliberate regarding the knowledge obtained.
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Assumption 1. The player can analyze the game, i.e. he is sufficiently intelligent.
Belief that actors believe that their opponents behave in the same
manner as them.
Assumption 3. Blue: I am rational;
(6)
Assumption 4. From Blue’s perspective, Red is rational.
(7)
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Traditional Rational Player: A player is rational if it chooses the alternative that has the highest utility.
(1)
Reverse Causality of TR: The reason why a person chooses a certain strategy is that the specific strategy has the highest utility.
(2)
Comparison of Utility: If Blue values an outcome higher than Red, then Blue values more the outcome than Red.
(3)
Assumption 1. The player can analyze the game, i.e. he is sufficiently intelligent.
(4)
Assumption 2. Von Neumann/Morgenstern’s utility function can express the player’s preferences.
(5)
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Principle of TR: Every player wishes to come out as well off as possible.
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Definition 1. A goal is a personal ‘target’ that an individual wants to accomplish given
some standards.
Definition 2. Rationality is a method of deliberation of achieving a specific goal.
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Rational methodIt is characterized by four steps:
Nature srm1: Blue must have a goal .
rm2: Blue must look for a method to achieve .rm3: Blue must find to achieve .rm4: Blue must take .
Nature d
rmc: Blue reaches Blue reaches by by ..
whereNature s is Supportive Nature
and Nature d is Deviant Nature
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rm1: Blue must have a goal .rm2: Blue must look for a method to achieve .rm3: Blue must find to achieve .rm4: Blue must take . rmc: Blue reaches by .
Corollary 1: If rm1 to rm4, then we have the conclusion of the four steps, rmc.
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Nature d
rm1: Blue must have a goal .rm2: Blue must look for a method to achieve .rm3: Blue must find to achieve .rm4: Blue must take .
rmc: Blue reaches by .
Corollary 2: If rm1 to rm4, and Nature d is
present and diverges Blue from his path, then we have a partial rmc.
={={1, 1, 2, 2, 3, …}- set of methods3, …}- set of methodsf(f() a mapping function of ) a mapping function of to to .. power of deviation of Naturepower of deviation of Nature
we have fwe have f((),),
ff(() = ) = is power of influence, we set 0 is power of influence, we set 0 1. 1.
If If = 0, = 0, is not reached. is not reached.If If = 1, = 1, is reached. is reached.
If 0 < If 0 < < 1, < 1, is partially reached is partially reached..
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rm1: Blue must have a goal .
Nature s
rm2: Blue must look for a method to achieve .rm3: Blue must find to achieve .rm4: Blue must take . rmc: Blue reaches by .
Corollary 3: If rm1 without rm2 to rm4, and Nature s is supportive of Blue, then
partial rmc.
Nature s
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rm1: Blue must have a goal .
rm2: Blue must look for a method to achieve .rm3: Blue must find to achieve .rm4: Blue must take .
Corollary 3:
If rm1 without rm2 to rm4, and Nature s is supportive of Blue, then partial rmc.
Theorem 1. The RM and Corollary 3 are the only ways to achieve a goal.
Nature s
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Lemma of theorem 1. The RM does not guarantee reaching the goal.
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I – information; B – belief;
K – knowledge; O – purpose; D – actions;
– goal (end result).