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Ideas for 'Lectures on the History of Philosophy', 'A Problem about Substitutional Quantification?' and 'Non-Monotonic Logic'

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3 ideas

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

10792

The substitutional quantifier is not in competition with the standard interpretation [Kripke, by Marcus (Barcan)]

5. Theory of Logic / K. Features of Logics / 10. Monotonicity

19110

In classical logic the relation |= has Monotony built into its definition [Antonelli]

19112

Cautious Monotony ignores proved additions; Rational Monotony fails if the addition's negation is proved [Antonelli]