Combining Texts

All the ideas for 'The Evolution of Modern Metaphysics', 'thirty titles (lost)' and 'works'

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

---

9 ideas

1. Philosophy / E. Nature of Metaphysics / 1. Nature of Metaphysics

21959

Metaphysics is the most general attempt to make sense of things [Moore,AW]

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]

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]

11. Knowledge Aims / C. Knowing Reality / 3. Idealism / b. Transcendental idealism

21958

Appearances are nothing beyond representations, which is transcendental ideality [Moore,AW]

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]