Single Idea 2727

[catalogued under 12. Knowledge Sources / A. A Priori Knowledge / 9. A Priori from Concepts]

Full Idea

The proposition that nothing is red and green all over at once is not analytic, but it is rationally graspable, so it seems to be an a priori synthetic proposition.

Gist of Idea

Red and green being exclusive colours seems to be rationally graspable but not analytic

Source

Robert Audi (Epistemology: contemporary introduction [1998], IV p.100)

Book Reference

Audi,Robert: 'Epistemology: a contemporary introduction' [Routledge 1998], p.100