Combining Philosophers

All the ideas for Speussipus, Hermann Weyl and Euripides

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

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5 ideas

1. Philosophy / D. Nature of Philosophy / 7. Despair over Philosophy

9283	Our ancient beliefs can never be overthrown by subtle arguments [Euripides]

2. Reason / D. Definition / 1. Definitions

15927

Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine]

9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance

594	Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / e. Anti scientific essentialism

10246

The limit of science is isomorphism of theories, with essences a matter of indifference [Weyl]

28. God / C. Attitudes to God / 5. Atheism

2632	Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero]