more from Bertrand Russell

Single Idea 14454

[catalogued under 3. Truth / F. Semantic Truth / 1. Tarski's Truth / b. Satisfaction and truth]

Full Idea

We say that an argument a 'satisfies' a function φx if φa is true.

Gist of Idea

An argument 'satisfies' a function φx if φa is true

Source

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

Book Reference

Russell,Bertrand: 'Introduction to Mathematical Philosophy' [George Allen and Unwin 1975], p.164


A Reaction

We end up with Tarski defining truth in terms of satisfaction, so we shouldn't get too excited about what he achieved (any more than he got excited).