Combining Texts

All the ideas for 'fragments/reports', 'Gentzen's Analysis of First-Order Proofs' and 'fragments/reports'

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8 ideas

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]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / k. Ethics from nature

6000	The goal is rationality in the selection of things according to nature [Diogenes of Babylon, by Blank]

22. Metaethics / C. The Good / 1. Goodness / a. Form of the Good

5999	The good is what is perfect by nature [Diogenes of Babylon, by Blank]

23. Ethics / C. Virtue Theory / 3. Virtues / c. Justice

6001	Justice is a disposition to distribute according to desert [Diogenes of Babylon, by Blank]

25. Social Practice / E. Policies / 5. Education / b. Education principles

13304

Learned men gain more in one day than others do in a lifetime [Posidonius]

27. Natural Reality / D. Time / 1. Nature of Time / d. Time as measure

20820

Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus]