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'fragments/reports', 'Goodbye Descartes' and 'Mathematics: Form and Function'
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8 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
8091
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Situation theory is logic that takes account of context [Devlin]
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5. Theory of Logic / A. Overview of Logic / 2. History of Logic
8089
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Montague's intensional logic incorporated the notion of meaning [Devlin]
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8087
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Golden ages: 1900-1960 for pure logic, and 1950-1985 for applied logic [Devlin]
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5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
8078
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Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]
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5. Theory of Logic / B. Logical Consequence / 7. Strict Implication
8082
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Where a conditional is purely formal, an implication implies a link between premise and conclusion [Devlin]
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5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle
6023
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Every proposition is either true or false [Chrysippus, by Cicero]
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5. Theory of Logic / E. Structures of Logic / 1. Logical Form
8072
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Sentences of apparent identical form can have different contextual meanings [Devlin]
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5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / a. Achilles paradox
8075
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Space and time are atomic in the arrow, and divisible in the tortoise [Devlin]
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