Single Idea 18711

[catalogued under 19. Language / D. Propositions / 1. Propositions]

Full Idea

Any affirmation can be negated: if it has sense to say p it also has sense to say ¬p. ...A proposition therefore is any expression which can be significantly negated.

Gist of Idea

A proposition is any expression which can be significantly negated

Source

Ludwig Wittgenstein (Lectures 1930-32 (student notes) [1931], B I.2)

Book Reference

Wittgenstein,Ludwig: 'Lectures in Cambridge 1930-32', ed/tr. Lee,Desmond [Blackwell 1980], p.22


A Reaction

I'm not sure about 'therefore'. I'm thinking you would have to already grasp the proposition in order to apply his negation test.