more from JC Beall / G Restall

Single Idea 13255

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

Full Idea

Some relevant logics reject transitivity, but we defend the classical view.

Gist of Idea

Relevant logic may reject transitivity


JC Beall / G Restall (Logical Pluralism [2006], 8)

Book Reference

Beall,J/Restall,G: 'Logical Pluralism' [OUP 2006], p.91

A Reaction

[they cite Neil Tennant for this view] To reject transitivity (A?B ? B?C ? A?C) certainly seems a long way from classical logic. But in everyday inference Tennant's idea seems good. The first premise may be irrelevant to the final conclusion.