4 ideas
10053 | Geometrical axioms imply the propositions, but the former may not be true [Russell] |
10052 | Geometry is united by the intuitive axioms of projective geometry [Russell, by Musgrave] |
11127 | If concepts just are mental representations, what of concepts we may never acquire? [Peacocke] |
5957 | Absurd superstitions make people atheist, not disharmony in nature [Plutarch] |