Single Idea 14449

[catalogued under 6. Mathematics / C. Sources of Mathematics / 10. Constructivism / e. Psychologism]

Full Idea

There is always unavoidably something psychological about inference.

Gist of Idea

There is always something psychological about inference

Source

Bertrand Russell (Introduction to Mathematical Philosophy [1919], XIV)

Book Reference

Russell,Bertrand: 'Introduction to Mathematical Philosophy' [George Allen and Unwin 1975], p.149


A Reaction

Glad to find Russell saying that. Only pure Fregeans dream of a logic that rises totally above the minds that think it. See Robert Hanna on the subject.