5 ideas
21546 | We can't sharply distinguish variables, domains and values, if symbols frighten us [Russell] |
8920 | Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz] |
21531 | Common sense agrees with Meinong (rather than Russell) that 'Pegasus is a flying horse' is true [Lackey on Russell] |
21545 | I prefer to deny round squares, and deal with the difficulties by the theory of denoting [Russell] |
5845 | Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon] |