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.
Gist of Idea
Is the meaning of 'and' given by its truth table, or by its introduction and elimination rules?
Source
Graeme Forbes (The Metaphysics of Modality [1985], 4.4)
Book Reference
Forbes,Graeme: 'The Metaphysics of Modality' [OUP 1985], p.82