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Ideas for 'fragments/reports', '(Nonsolipsistic) Conceptual Role Semantics' and 'Nietzsche, Genealogy, History'

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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / d. and

12597	I might accept P and Q as likely, but reject P-and-Q as unlikely [Harman]
	Full Idea: Principles of implication imply there is not a purely probabilistic rule of acceptance for belief. Otherwise one might accept P and Q, without accepting their conjunction, if the conjuncts have a high probability, but the conjunction doesn't.
	From: Gilbert Harman ((Nonsolipsistic) Conceptual Role Semantics [1987], 12.2.2)
	A reaction: [Idea from Scott Soames] I am told that my friend A has just won a very big lottery prize, and am then told that my friend B has also won a very big lottery prize. The conjunction seems less believable; I begin to suspect a conspiracy.