4 ideas
7536 | If you hope to improve the world, all you can do is improve yourself [Wittgenstein] |
17744 | De Morgan started the study of relations and their properties [De Morgan, by Walicki] |
13501 | De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [De Morgan, by Hart,WD] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |