12 ideas
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] |
7557 | To solve Zeno's paradox, reject the axiom that the whole has more terms than the parts [Russell] |
10059 | In mathematic we are ignorant of both subject-matter and truth [Russell] |
7556 | A collection is infinite if you can remove some terms without diminishing its number [Russell] |
18888 | Essentialism says some properties must be possessed, if a thing is to exist [Salmon,N] |
7554 | Self-evidence is often a mere will-o'-the-wisp [Russell] |
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] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
18891 | Nothing in the direct theory of reference blocks anti-essentialism; water structure might have been different [Salmon,N] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |