Single Idea 16951

[catalogued under 4. Formal Logic / D. Modal Logic ML / 1. Modal Logic]

Full Idea

The new discovery was that with a suitable structure imposed on the space of possible worlds, the Leibnizian idea would work for all modal logics.

Gist of Idea

It was realised that possible worlds covered all modal logics, if they had a structure

Source

Michael Dummett (Could There Be Unicorns? [1983], 1)

Book Reference

Dummett,Michael: 'The Seas of Language' [OUP 1993], p.329