Combining Texts

All the ideas for 'fragments/reports', 'works' and 'Philosophy without Intuitions'

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8 ideas

2. Reason / E. Argument / 7. Thought Experiments

20183

So-called 'though experiments' are just philosophers observing features of the world [Cappelen]

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]

12. Knowledge Sources / E. Direct Knowledge / 2. Intuition

20182

The word 'intuitive' often plays not role at all in arguments, and can be removed [Cappelen]

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]