Combining Philosophers

All the ideas for Theophrastus, Maurice Merleau-Ponty and Augustus De Morgan

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8 ideas

1. Philosophy / D. Nature of Philosophy / 5. Aims of Philosophy / d. Philosophy as puzzles
Philosophers are marked by a joint love of evidence and ambiguity [Merleau-Ponty]
5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic
De Morgan started the study of relations and their properties [De Morgan, by Walicki]
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
De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]
11. Knowledge Aims / B. Certain Knowledge / 4. The Cogito
Consciousness is based on 'I can', not on 'I think' [Merleau-Ponty]
12. Knowledge Sources / B. Perception / 5. Interpretation
The mind does not unite perceptions, because they flow into one another [Merleau-Ponty]
13. Knowledge Criteria / E. Relativism / 6. Relativism Critique
How can we state relativism of sweet and sour, if they have no determinate nature? [Theophrastus]
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / c. Purpose denied
Theophrastus doubted whether nature could be explained teleologically [Theophrastus, by Gottschalk]