12 ideas
14626 | In S5 matters of possibility and necessity are non-contingent [Williamson] |
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] |
19566 | Epistemology does not just concern knowledge; all aspects of cognitive activity are involved [Kvanvig] |
19568 | Making sense of things, or finding a good theory, are non-truth-related cognitive successes [Kvanvig] |
19567 | The 'defeasibility' approach says true justified belief is knowledge if no undermining facts could be known [Kvanvig] |
19570 | Reliabilism cannot assess the justification for propositions we don't believe [Kvanvig] |
14628 | Imagination is important, in evaluating possibility and necessity, via counterfactuals [Williamson] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |