Combining Philosophers

All the ideas for Proclus, William S. Jevons and Roy Bhaskar

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4 ideas

6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism

8628	I hold that algebra and number are developments of logic [Jevons]

9. Objects / D. Essence of Objects / 5. Essence as Kind

15143

Kind essences are the categorical bases of a thing's causal powers [Bhaskar, by Chakravartty]

14. Science / D. Explanation / 2. Types of Explanation / g. Causal explanations

13165

Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus]

18. Thought / E. Abstraction / 1. Abstract Thought

9569	The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus]