4 ideas
7791 | The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle] |
11002 | Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read] |
467 | A virtue is a combination of intelligence, strength and luck [Ion] |
21097 | Modern monarchies are (like republics) rule by law, rather than by men [Hume] |