9 ideas
15586 | When philosophy makes itself intelligible, it commits suicide [Heidegger] |
18889 | Ostensive definitions needn't involve pointing, but must refer to something specific [Salmon,N] |
14627 | S4, and therefore S5, are invalid for metaphysical modality [Salmon,N, by Williamson] |
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
18888 | Essentialism says some properties must be possessed, if a thing is to exist [Salmon,N] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |
18886 | Frege's 'sense' solves four tricky puzzles [Salmon,N] |
18887 | The perfect case of direct reference is a variable which has been assigned a value [Salmon,N] |
18891 | Nothing in the direct theory of reference blocks anti-essentialism; water structure might have been different [Salmon,N] |