more from Michèle Friend

Single Idea 8707

[catalogued under 6. Mathematics / C. Sources of Mathematics / 10. Constructivism / b. Intuitionism]

Full Idea

An intuitionist typically retains bivalence, but rejects the law of excluded middle.

Gist of Idea

Intuitionists typically retain bivalence but reject the law of excluded middle


Michèle Friend (Introducing the Philosophy of Mathematics [2007], 5.2)

Book Reference

Friend,Michèle: 'Introducing the Philosophy of Mathematics' [Acumen 2007], p.106

A Reaction

The idea would be to say that only T and F are available as truth-values, but failing to be T does not ensure being F, but merely not-T. 'Unproven' is not-T, but may not be F.