Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Augustus De Morgan and Johann Winckelmann

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5 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]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

20653

Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]

21. Aesthetics / B. Nature of Art / 4. Art as Expression

8119	Art aims only at beauty, of form, of idea, and (above all) of expression [Winckelmann, by Tolstoy]