Single Idea 18165

[catalogued under 6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism]

Full Idea

I hold that my Basic Law V is a law of pure logic.

Gist of Idea

My Basic Law V is a law of pure logic

Source

Gottlob Frege (Grundgesetze der Arithmetik 1 (Basic Laws) [1893], p.4), quoted by Penelope Maddy - Naturalism in Mathematics I.1

Book Reference

Maddy,Penelope: 'Naturalism in Mathematics' [OUP 2000], p.6


A Reaction

This is, of course, the notorious law which fell foul of Russell's Paradox. It is said to be pure logic, even though it refers to things that are F and things that are G.