more from Rod Girle

Single Idea 7798

[catalogued under 4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic]

Full Idea

The axioms of propositional logic are: A→(B→A); A→(B→C)→(A→B)→(A→C) ; and (ČA→ČB)→(B→A).

Gist of Idea

There are three axiom schemas for propositional logic

Source

Rod Girle (Modal Logics and Philosophy [2000], 6.5)

Book Reference

Girle,Rod: 'Modal Logics and Philosophy' [Acumen 2000], p.92