Combining Philosophers

All the ideas for Hilbert,D/Ackermann,W, Proclus and Zoroaster

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6 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

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]

29. Religion / B. Monotheistic Religion / 1. Monotheistic Religion

7598	Zoroaster and the Hebrew prophets evolved different versions of monotheism [Zoroaster, by Armstrong,K]

29. Religion / B. Monotheistic Religion / 3. Zoroastrianism

7472	Zarathustra was the first to present a god who is an abstract concept [Zoroaster]

20672

Zoroastrianism saw the world as a battle between good evil gods [Zoroaster, by Harari]