3 ideas
3299 | In logic identity involves reflexivity (x=x), symmetry (if x=y, then y=x) and transitivity (if x=y and y=z, then x=z) [Baillie] |
18946 | Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer] |
15049 | Metaphysical realists are committed to all unambiguous statements being true or not true [Dummett] |