12 ideas
13407 | All worthwhile philosophy is synthetic theorizing, evaluated by experience [Papineau] |
14626 | In S5 matters of possibility and necessity are non-contingent [Williamson] |
13409 | Our best theories may commit us to mathematical abstracta, but that doesn't justify the commitment [Papineau] |
14625 | Necessity is counterfactually implied by its negation; possibility does not counterfactually imply its negation [Williamson] |
14623 | Strict conditionals imply counterfactual conditionals: □(A⊃B)⊃(A□→B) [Williamson] |
14624 | Counterfactual conditionals transmit possibility: (A□→B)⊃(◊A⊃◊B) [Williamson] |
14531 | Rather than define counterfactuals using necessity, maybe necessity is a special case of counterfactuals [Williamson, by Hale/Hoffmann,A] |
13406 | A priori knowledge is analytic - the structure of our concepts - and hence unimportant [Papineau] |
13408 | Intuition and thought-experiments embody substantial information about the world [Papineau] |
14628 | Imagination is important, in evaluating possibility and necessity, via counterfactuals [Williamson] |
13410 | Verificationism about concepts means you can't deny a theory, because you can't have the concept [Papineau] |
4375 | Evaluations are not disguised emotions; instead, emotion is a type of evaluation [Achtenberg] |