Combining Philosophers

All the ideas for Roger Penrose, Terence Parsons and Augustus De Morgan

expand these ideas     |    start again     |     specify just one area for these philosophers

---

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]

9. Objects / A. Existence of Objects / 4. Impossible objects

18948

There is an object for every set of properties (some of which exist, and others don't) [Parsons,T, by Sawyer]

15. Nature of Minds / B. Features of Minds / 1. Consciousness / e. Cause of consciousness

4921	Quantum states in microtubules could bind brain activity to produce consciousness [Penrose]