rowsdower Posted January 13, 2014 Report Share Posted January 13, 2014 (edited) What are your thoughts on Robert Nozick's formulation of JTB. person X knows that p if all of the following conditions are satisfied: (i) p is true. (ii) X believes that p. (iii) If p were not true, X would not believe that p. (iv) If p were true, X would believe that p. I think the problems with subjectivism that David highlighted earlier still stand, no? 4 follows 1 and 2 (P ∧ B ⇒ P → B ). 3 may be meaningless ("if it were..." can not in general be given consideration). Technically (rationalism alert), 3 follows 1 (P ⇒ ¬P →Anything). There may also be problems with treating mental grasp of reality as propositional. I admit I haven't thought about this much, but don't all propositions outside of those purely about booleans (e.g. A ∨ ¬A) use the form Concept(object)? Edited January 13, 2014 by rowsdower Quote Link to comment Share on other sites More sharing options...
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