4 ideas
7791 | The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle] |
16706 | Generation is when local motions aggregate to become a single subject [Nicholas of Autrecourt] |
11002 | Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read] |
22109 | The fullest knowledge places a conclusion within an accurate theory [Aquinas, by Kretzmann/Stump] |