more from Theodore Sider

Single Idea 15029

[catalogued under 5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence]

Full Idea

The simplest modal account is that logical consequence is just necessary consequence; another modal account says that logical consequences are modal consequences that involve only logical words essentially.

Gist of Idea

Modal accounts of logical consequence are simple necessity, or essential use of logical words


Theodore Sider (Writing the Book of the World [2011], 12.3)

Book Reference

Sider,Theodore: 'Writing the Book of the World' [OUP 2011], p.272

A Reaction

[He cites Quine's 'Carnap and Logical Truth' for the second idea] Sider is asserting that Humeans like him dislike modality, and hence need a nonmodal account of logical consequence.

Related Idea

Idea 11148 Deduction is when we suppose one thing, and another necessarily follows [Aristotle]