Combining Texts
Ideas for
'fragments/reports', 'Identity through Possible Worlds' and 'Philosophy of Language'
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5 ideas
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 / 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 / F. Referring in Logic / 2. Descriptions / a. Descriptions
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Indefinite descriptions are quantificational in subject position, but not in predicate position [Soames]
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5. Theory of Logic / F. Referring in Logic / 2. Descriptions / c. Theory of definite descriptions
15157
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Recognising the definite description 'the man' as a quantifier phrase, not a singular term, is a real insight [Soames]
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5. Theory of Logic / G. Quantification / 7. Unorthodox Quantification
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The universal and existential quantifiers were chosen to suit mathematics [Soames]
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