Full Idea
Contradiction is between one rule and another, not between rule and reality.
Gist of Idea
Contradiction is between two rules, not between rule and reality
Source
Ludwig Wittgenstein (Lectures 1930-32 (student notes) [1931], C XIII)
Book Reference
Wittgenstein,Ludwig: 'Lectures in Cambridge 1930-32', ed/tr. Lee,Desmond [Blackwell 1980], p.92
A Reaction
If I say 'he is sitting' and 'he is standing', it seems to be reality which produces the contradiction. What 'rule' could possibly do it? The rule which says sitting and standing are incompatible? But what makes that so?