more from Ludwig Wittgenstein

Single Idea 16907

[catalogued under 12. Knowledge Sources / A. A Priori Knowledge / 2. Self-Evidence]

Full Idea

If the truth of a proposition does not follow from the fact that it is self-evident to us, then its self-evidence in no way justifies our belief in its truth.

Gist of Idea

If the truth doesn't follow from self-evidence, then self-evidence cannot justify a truth

Source

Ludwig Wittgenstein (Tractatus Logico-Philosophicus [1921], 5.1363), quoted by Robin Jeshion - Frege's Notion of Self-Evidence 4

Book Reference

-: 'Mind' [-], p.972


A Reaction

Frege seems to have taken self-evidence as intrinsic justification, but Wittgenstein seems to demand a supporting inference. But what is it all based on? Stipulative definitions?