4 ideas
7791 | The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle] |
15584 | I say the manifestation of Being needs humans, and humans only exist as reflected in Being [Heidegger] |
11002 | Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read] |
8141 | He that does evil has not seen God [John] |