4 ideas
19695 | The devil was wise as an angel, and lost no knowledge when he rebelled [Whitcomb] |
9283 | Our ancient beliefs can never be overthrown by subtle arguments [Euripides] |
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] |