4 ideas
7791 | The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle] |
10855 | Actual infinities are not allowed in mathematics - only limits which may increase without bound [Gauss] |
11002 | Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read] |
8130 | Qualities of experience are just representational aspects of experience ('Representationalism') [Harman, by Burge] |