Combining Philosophers

All the ideas for David Fair, Augustus De Morgan and Collegium Conimbricense

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7 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]

9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification

16751

Unity by aggregation, order, inherence, composition, and simplicity [Conimbricense, by Pasnau]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary

16720

Secondary qualities come from temperaments and proportions of primary qualities [Conimbricense]

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]