12 ideas
10528 | Definitions concern how we should speak, not how things are [Fine,K] |
18823 | To say there could have been people who don't exist, but deny those possible things, rejects Barcan [Stalnaker, by Rumfitt] |
10529 | If Hume's Principle can define numbers, we needn't worry about its truth [Fine,K] |
10530 | Hume's Principle is either adequate for number but fails to define properly, or vice versa [Fine,K] |
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] |
10527 | An abstraction principle should not 'inflate', producing more abstractions than objects [Fine,K] |
16410 | Extensional semantics has individuals and sets; modal semantics has intensions, functions of world to extension [Stalnaker] |
22485 | Non-cognitivists give the conditions of use of moral sentences as facts about the speaker [Foot] |
22486 | The mistake is to think good grounds aren't enough for moral judgement, which also needs feelings [Foot] |
22487 | Moral arguments are grounded in human facts [Foot] |