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Ideas for 'fragments/reports', 'Regressive Method for Premises in Mathematics' and 'fragments/reports'

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5 ideas

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

21668

Epicurus rejected excluded middle, because accepting it for events is fatalistic [Epicurus, by Cicero]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / e. or

21676

Epicureans say disjunctions can be true whiile the disjuncts are not true [Epicurus, by Cicero]

5. Theory of Logic / K. Features of Logics / 1. Axiomatisation

17629

Which premises are ultimate varies with context [Russell]

17630

The sources of a proof are the reasons why we believe its conclusion [Russell]

17640

Finding the axioms may be the only route to some new results [Russell]