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] |
9413 | An event is a change in or to an object [Lombard, by Mumford] |
8825 | It seems impossible to logically deduce physical knowledge from indubitable sense data [Kim] |