Combining Philosophers

All the ideas for Henry of Ghent, Giordano Bruno and Augustus De Morgan

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8 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]

7. Existence / E. Categories / 3. Proposed Categories

16657

Substance, Quantity and Quality are real; other categories depend on those three [Henry of Ghent]

8. Modes of Existence / A. Relations / 1. Nature of Relations

16658

The only reality in the category of Relation is things from another category [Henry of Ghent]

8. Modes of Existence / B. Properties / 8. Properties as Modes

16645

Accidents are diminished beings, because they are dispositions of substance (unqualified being) [Henry of Ghent]

11. Knowledge Aims / C. Knowing Reality / 3. Idealism / b. Transcendental idealism

22012

Kant says things-in-themselves cause sensations, but then makes causation transcendental! [Henry of Ghent, by Pinkard]

29. Religion / A. Polytheistic Religion / 2. Greek Polytheism

9287	Bruno said that ancient Egyptian magic was the true religion [Bruno, by Yates]