Tractatus logico-philosophicus

A philosophical work by Ludwig Wittgenstein

5.31

The Schemata No. 4.31 are also significant, if “p”, “q”, “r”, etc. are not elementary propositions. And it is easy to see that the propositional sign in No. 4.442 expresses one truth-function of elementary propositions even when “p” and “q” are truth-functions of elementary propositions.


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