4 ideas
18902 | Correspondence theories can't tell you what truths correspond to [Davidson] |
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] |
1556 | By nature people are close to one another, but culture drives them apart [Hippias] |