Combining Philosophers

All the ideas for Seymour Lipschutz, Hermann Weyl and Leopold Kronecker

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5 ideas

2. Reason / D. Definition / 1. Definitions

15927

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

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

6. Mathematics / A. Nature of Mathematics / 1. Mathematics

12427

All of mathematics is properties of the whole numbers [Kronecker]

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / c. Priority of numbers

10091

God made the integers, all the rest is the work of man [Kronecker]

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]