Combining Texts

All the ideas for 'fragments/reports', 'Counterfactuals' and 'On Truth and Lies in a Nonmoral Sense'

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5 ideas

6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry
Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz]
10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals
Lewis says indicative conditionals are truth-functional [Lewis, by Jackson]
10. Modality / B. Possibility / 9. Counterfactuals
In good counterfactuals the consequent holds in world like ours except that the antecedent is true [Lewis, by Horwich]
15. Nature of Minds / C. Capacities of Minds / 3. Abstraction by mind
Leaves are unequal, but we form the concept 'leaf' by discarding their individual differences [Nietzsche]
26. Natural Theory / D. Laws of Nature / 4. Regularities / b. Best system theory
A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis]