Single Idea 23496

[catalogued under 5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction]

Full Idea

The simultaneous presence of two colours in the same place in the visual field is impossible, in fact logically impossible, since it is ruled out by the logical structure of colour.

Gist of Idea

Two colours in the same place is ruled out by the logical structure of colour

Source

Ludwig Wittgenstein (Tractatus Logico-Philosophicus [1921], 6.3751)

Book Reference

Wittgenstein,Ludwig: 'Tractatus Logico-Philosophicus (Pears)', ed/tr. Pears,D. /McGuinness,B. [RKP 1961], p.71


A Reaction

This sounds the wrong way around. We derive our concept of the logic of colour from experiencing the total incompatibility of two colours in the same location. What if each of our eyes saw a different colour?