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] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
20930 | The existence of law is one thing, its merits and demerits another [Austin,J] |