display all the ideas for this combination of philosophers
3 ideas
16468 | Non-S5 can talk of contingent or necessary necessities [Stalnaker] |
18823 | To say there could have been people who don't exist, but deny those possible things, rejects Barcan [Stalnaker, by Rumfitt] |
16449 | In modal set theory, sets only exist in a possible world if that world contains all of its members [Stalnaker] |