Combining Philosophers

All the ideas for Proclus, William S. Jevons and Dorion Sagan

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4 ideas

1. Philosophy / G. Scientific Philosophy / 3. Scientism
Scientists know everything about nothing, philosophers nothing about everything [Sagan,D]
6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism
I hold that algebra and number are developments of logic [Jevons]
14. Science / D. Explanation / 2. Types of Explanation / g. Causal explanations
Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus]
18. Thought / E. Abstraction / 1. Abstract Thought
The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus]