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Ideas for 'Philosophy of Mathematics', 'Naming and Necessity lectures' and 'The Central Questions of Philosophy'

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19. Language / D. Propositions / 6. Propositions Critique

2610	Talk of propositions is just shorthand for talking about equivalent sentences [Ayer]
	Full Idea: Our talk of propositions should not be regarded as anything more than a concise way of talking about equivalent sentences.
	From: A.J. Ayer (The Central Questions of Philosophy [1973], IX.C)
	A reaction: Wrong, though I can see why he says it. We struggle to express difficult propositions by offering several similar (but not equivalent) sentences. What is the criterion for deciding his 'equivalence'?