4 ideas
10632 | The real numbers may be introduced by abstraction as ratios of quantities [Hale, by Hale/Wright] |
6003 | Galen showed by experiment that the brain controls the body [Galen, by Hankinson] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
6030 | Each part of the soul has its virtue - pleasure for appetite, success for competition, and rectitude for reason [Galen] |