5 ideas
14286 | In nearby worlds where A is true, 'if A,B' is true or false if B is true or false [Stalnaker] |
14629 | If we are told the source of necessity, this seems to be a regress if the source is not already necessary [Blackburn] |
14529 | If something underlies a necessity, is that underlying thing necessary or contingent? [Blackburn, by Hale/Hoffmann,A] |
12468 | A state of affairs is only possible if there has been an actual substance to initiate it [Pruss] |
14285 | A possible world is the ontological analogue of hypothetical beliefs [Stalnaker] |