5 ideas
6841 | Some continental philosophers are relativists - Baudrillard, for example [Baudrillard, by Critchley] |
7791 | The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle] |
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
11002 | Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |