Combining Texts

All the ideas for 'The Definition of Good', 'Later Letters to Dedekind' and 'Gentzen's Analysis of First-Order Proofs'

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

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5 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

17831

Cantor gives informal versions of ZF axioms as ways of getting from one set to another [Cantor, by Lake]

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

13831

Logic is based on transitions between sentences [Prawitz]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

13825

Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13823

In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz]

23. Ethics / C. Virtue Theory / 1. Virtue Theory / c. Particularism

18671

The ground for an attitude is not a thing's 'goodness', but its concrete characteristics [Ewing]