Combining Philosophers

Ideas for Thales, Paul M. Churchland and Willard Quine

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5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth

9027	A sentence is logically true if all sentences with that grammatical structure are true [Quine]
	Full Idea: A sentence is logically true if all sentences with that grammatical structure are true.
	From: Willard Quine (Philosophy of Logic [1970], Ch.7)
	A reaction: Quine spends some time on the tricky question of deciding which parts of a sentence are grammatical structure ('syncategorematic'), and which parts are what he calls 'lexicon'. I bet there is a Quinean argument which blurs the boundary.