Combining Philosophers

Ideas for H.Putnam/P.Oppenheim, Susan Haack and Graeme Forbes

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

12010	Is the meaning of 'and' given by its truth table, or by its introduction and elimination rules? [Forbes,G]
	Full Idea: The typical semantic account of validity for propositional connectives like 'and' presupposes that meaning is given by truth-tables. On the natural deduction view, the meaning of 'and' is given by its introduction and elimination rules.
	From: Graeme Forbes (The Metaphysics of Modality [1985], 4.4)