Combining Philosophers

All the ideas for Herodotus, Augustus De Morgan and David Fair

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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]

26. Natural Theory / C. Causation / 4. Naturalised causation

8326	Science has shown that causal relations are just transfers of energy or momentum [Fair, by Sosa/Tooley]

10379

Fair shifted his view to talk of counterfactuals about energy flow [Fair, by Schaffer,J]

29. Religion / D. Religious Issues / 2. Immortality / a. Immortality

1513	The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus]