9 ideas
18823 | To say there could have been people who don't exist, but deny those possible things, rejects Barcan [Stalnaker, by Rumfitt] |
16409 | Unlike Lewis, I defend an actualist version of counterpart theory [Stalnaker] |
16411 | If possible worlds really differ, I can't be in more than one at a time [Stalnaker] |
16412 | If counterparts exist strictly in one world only, this seems to be extreme invariant essentialism [Stalnaker] |
20795 | Some things are their own criterion, such as straightness, a set of scales, or light [Sext.Empiricus] |
7458 | The reliability of witnesses depends on whether they benefit from their observations [Laplace, by Hacking] |
20794 | How can sceptics show there is no criterion? Weak without, contradiction with [Sext.Empiricus] |
3441 | If a supreme intellect knew all atoms and movements, it could know all of the past and the future [Laplace] |
16410 | Extensional semantics has individuals and sets; modal semantics has intensions, functions of world to extension [Stalnaker] |