Single Idea 12181

[catalogued under 10. Modality / A. Necessity / 6. Logical Necessity]

Full Idea

The traditional crucial assumption is that logical necessity is the strongest notion of necessity. If it is logically necessary that p, then it is necessary that p in any other use of the notion of necessity there may be (physically, practically etc.).

Gist of Idea

Traditionally, logical necessity is the strongest, and entails any other necessities


Ian McFetridge (Logical Necessity: Some Issues [1986], 1)

Book Reference

-: 'Aristotelian Society' [], p.136

A Reaction

Sounds right. We might say it is physically necessary simply because it is logically necessary, and even that it is metaphysically necessary because it is logically necessary (required by logic). Logical possibility is hence the weakest kind?