Combining Philosophers

All the ideas for Jenny Teichmann, Augustin-Louis Cauchy and Hilbert,D/Ackermann,W

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7 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]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / k. Infinitesimals
18085 Values that approach zero, becoming less than any quantity, are 'infinitesimals' [Cauchy]
6. Mathematics / A. Nature of Mathematics / 5. The Infinite / l. Limits
18084 When successive variable values approach a fixed value, that is its 'limit' [Cauchy]
8. Modes of Existence / B. Properties / 1. Nature of Properties
9295 Not only substances have attributes; events, actions, states and qualities can have them [Teichmann]
17. Mind and Body / A. Mind-Body Dualism / 2. Interactionism
9293 Body-spirit interaction ought to result in losses and increases of energy in the material world [Teichmann]
29. Religion / D. Religious Issues / 2. Immortality / b. Soul
9294 No individuating marks distinguish between Souls [Teichmann]
9292 The Soul has no particular capacity (in the way thinking belongs to the mind) [Teichmann]