15 ideas
14025 | The weaker version of Truthmaker: 'truth supervenes on being' [Crisp,TM] |
14023 | The Truthmaker thesis spells trouble for presentists [Crisp,TM] |
14024 | Truthmaker has problems with generalisation, non-existence claims, and property instantiations [Crisp,TM] |
14970 | Normal system K has five axioms and rules [Cresswell] |
14971 | D is valid on every serial frame, but not where there are dead ends [Cresswell] |
14972 | S4 has 14 modalities, and always reduces to a maximum of three modal operators [Cresswell] |
14973 | In S5 all the long complex modalities reduce to just three, and their negations [Cresswell] |
14976 | Reject the Barcan if quantifiers are confined to worlds, and different things exist in other worlds [Cresswell] |
14974 | A relation is 'Euclidean' if aRb and aRc imply bRc [Cresswell] |
14021 | Worm Perdurantism has a fusion of all the parts; Stage Perdurantism has one part at a time [Crisp,TM] |
14975 | A de dicto necessity is true in all worlds, but not necessarily of the same thing in each world [Cresswell] |
14020 | 'Eternalism' is the thesis that reality includes past, present and future entities [Crisp,TM] |
14026 | Presentists can talk of 'times', with no more commitment than modalists have to possible worlds [Crisp,TM] |
14022 | The only three theories are Presentism, Dynamic (A-series) Eternalism and Static (B-series) Eternalism [Crisp,TM] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |