Combining Philosophers

All the ideas for Hermarchus, James Gordon Finlayson and Augustus De Morgan

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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]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / b. Rational ethics

15675

We don't condemn people for being bad at reasoning [Finlayson]

23. Ethics / D. Deontological Ethics / 3. Universalisability

15674

One can universalise good advice, but that doesn't make it an obligation [Finlayson]

24. Political Theory / B. Nature of a State / 5. Culture

15662

The 'culture industry' is an advertisement for the way things are [Finlayson]

25. Social Practice / F. Life Issues / 6. Animal Rights

6005	Animals are dangerous and nourishing, and can't form contracts of justice [Hermarchus, by Sedley]