An Introduction to Philosophy, Issue 163 |
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Page 67
... certain that there is a wall in front of me and doubt that there is one there . That is a logical impossibility : doubt and certainty about the same proposition are mutually exclusive . Yet I can grant , while still being certain that ...
... certain that there is a wall in front of me and doubt that there is one there . That is a logical impossibility : doubt and certainty about the same proposition are mutually exclusive . Yet I can grant , while still being certain that ...
Page 88
... certain experi- ences , and on their basis he must be believing that a certain perceptual proposition is true . Further , according to Descartes , the purely mental features of perceiving that p must occur in anyone's dream ( i.e. ...
... certain experi- ences , and on their basis he must be believing that a certain perceptual proposition is true . Further , according to Descartes , the purely mental features of perceiving that p must occur in anyone's dream ( i.e. ...
Page 151
... certain of is to be derived . By reason alone I come to see that the cogito propositions are incorrigible for me ; that I cannot without prag- matic inconsistency deny , doubt , or disbelieve them ; that my belief that they are true is ...
... certain of is to be derived . By reason alone I come to see that the cogito propositions are incorrigible for me ; that I cannot without prag- matic inconsistency deny , doubt , or disbelieve them ; that my belief that they are true is ...
Contents
PRELIMINARY EXPLANATIONS ON THE NATURE | 3 |
THE ARGUMENT WITH CEPHALUS | 36 |
THE ARGUMENT WITH THRASYMACHUS | 46 |
Copyright | |
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assert assume assumption attentively believes awake believe attentively believes that q Cartesian Circle causal Cephalus clarity and distinctness clear and distinct clearly and distinctly cogito propositions concept conclusion consequences contingent proposition criterion of incorrigible deduce define definiendum definiens Descartes doubt dream argument entails evidence evil demon argument example experience explication father follows formal reality four sides G. E. Moore God's existence Haldane and Ross Hence idea imply incorrigible knowledge integer James know incorrigibly know with certainty logical positivists logical words logically necessary male parent material objects mathematical propositions Meditation mind mistaken nature necessarily false necessarily true propositions notion observation sentences omnipotence ontological argument option ought-judgments pain Peano's definition Peirce perceptual proposition philosophical Plato Polemarchus pragmatic premises principle of clarity proposition is corrigible proposition of kind prove question real definition reason self-contradictory sense square has four supremely perfect synthetic sentence Taj Mahal thing Thrasymachus tion