more from JC Beall / G Restall

Single Idea 13242

[catalogued under 4. Formal Logic / E. Nonclassical Logics / 5. Relevant Logic]

Full Idea

The argument from P to A is 'relevantly' valid if and only if, for every situation in which each premise in P is true, so is A.

Gist of Idea

It's 'relevantly' valid if all those situations make it true


JC Beall / G Restall (Logical Pluralism [2006], 5.2)

Book Reference

Beall,J/Restall,G: 'Logical Pluralism' [OUP 2006], p.53

A Reaction

I like the idea that proper inference should have an element of relevance to it. A falsehood may allow all sorts of things, without actually implying them. 'Situations' sound promising here.