4 ideas
13127 | Categories can't overlap; they are either disjoint, or inclusive [Sommers, by Westerhoff] |
9141 | Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert] |
16713 | Philosophers are the forefathers of heretics [Tertullian] |
6610 | I believe because it is absurd [Tertullian] |