more from JC Beall / G Restall

Single Idea 13240

[catalogued under 5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=]

Full Idea

The sentence X follows logically from the sentences of the class K if and only if every model of the class K is also a model of the sentence X.

Gist of Idea

A sentence follows from others if they always model it


JC Beall / G Restall (Logical Pluralism [2006], 3.2)

Book Reference

Beall,J/Restall,G: 'Logical Pluralism' [OUP 2006], p.29

A Reaction

This why the symbol |= is often referred to as 'models'.