Combining Texts

All the ideas for 'fragments/reports', 'On Sufficient Reason' and 'The Problem of Counterfactual Conditionals'

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5 ideas

2. Reason / B. Laws of Thought / 1. Laws of Thought

19404

Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz]

10. Modality / B. Possibility / 9. Counterfactuals

12191

Counterfactuals are true if logical or natural laws imply the consequence [Goodman, by McFetridge]

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]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

19403

Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz]

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]