Combining Texts

All the ideas for 'fragments/reports', 'The Nature and Communication of Substance' and 'works'

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8 ideas

5. Theory of Logic / A. Overview of Logic / 2. History of Logic
11022 Gentzen introduced a natural deduction calculus (NK) in 1934 [Gentzen, by Read]
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
11065 The inferential role of a logical constant constitutes its meaning [Gentzen, by Hanna]
11023 The logical connectives are 'defined' by their introduction rules [Gentzen]
11213 Each logical symbol has an 'introduction' rule to define it, and hence an 'elimination' rule [Gentzen]
6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / g. Incompleteness of Arithmetic
10067 Gentzen proved the consistency of arithmetic from assumptions beyond arithmetic [Gentzen, by Musgrave]
17. Mind and Body / A. Mind-Body Dualism / 5. Parallelism
2596 Maybe mind and body are parallel, like two good clocks [Leibniz]
22. Metaethics / C. The Good / 2. Happiness / b. Eudaimonia
5996 Critolaus redefined Aristotle's moral aim as fulfilment instead of happiness [Critolaus, by White,SA]
28. God / B. Proving God / 3. Proofs of Evidence / b. Teleological Proof
2595 If the universe is a perfect agreement of uncommunicating substances, there must be a common source [Leibniz]