4 ideas
17962 | The truth-maker principle is that every truth has a sufficient truth-maker [Forrest] |
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] |
21432 | Culture is the struggle to agree what is normal [Gibson,A] |