Combining Texts
Ideas for
'fragments/reports', 'Theories of Truth: a Critical Introduction' and '18: Book of Job'
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4 ideas
5. Theory of Logic / A. Overview of Logic / 5. First-Order Logic
19315
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In quantified language the components of complex sentences may not be sentences [Kirkham]
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5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
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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 / D. Assumptions for Logic / 2. Excluded Middle
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Every proposition is either true or false [Chrysippus, by Cicero]
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5. Theory of Logic / I. Semantics of Logic / 4. Satisfaction
19317
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An open sentence is satisfied if the object possess that property [Kirkham]
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