Combining Philosophers

All the ideas for Anaxarchus, Vincent C. Punzo and Augustus De Morgan

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6 ideas

5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic

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]

5. Theory of Logic / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]

13. Knowledge Criteria / D. Scepticism / 1. Scepticism

3061	Anaxarchus said that he was not even sure that he knew nothing [Anaxarchus, by Diog. Laertius]

25. Social Practice / F. Life Issues / 5. Sexual Morality

20890

Why do sexual relationships need permanence, if other relationships don't? [Punzo]

20891

Does engaging in sexual intercourse really need no more thought than playing tennis? [Punzo]