Single Idea 10163

[catalogued under 4. Formal Logic / D. Modal Logic ML / 1. Modal Logic]

Full Idea

At the age of 19 Saul Kripke published a completeness proof of propositional modal logic.

Gist of Idea

Propositional modal logic has been proved to be complete

Source

report of Saul A. Kripke (A Completeness Theorem in Modal Logic [1959]) by Feferman / Feferman - Alfred Tarski: life and logic Int V

Book Reference

Feferman,S/Feferman,A.B.: 'Alfred Tarski: life and logic' [CUP 2008], p.286