6 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] |
21227 | The Cogito demands a bridge to the world, and ends in isolating the ego [Velarde-Mayol] |
21215 | The representation may not be a likeness [Velarde-Mayol] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
21219 | Find the essence by varying an object, to see what remains invariable [Velarde-Mayol] |