Combining Texts
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'fragments/reports', 'The Discourses' and 'Plurals and Complexes'
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7 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
6023
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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 / b. Definite descriptions
10671
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Plural definite descriptions pick out the largest class of things that fit the description [Hossack]
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5. Theory of Logic / G. Quantification / 6. Plural Quantification
10666
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Plural reference will refer to complex facts without postulating complex things [Hossack]
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10675
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A plural comprehension principle says there are some things one of which meets some condition [Hossack]
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10669
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Plural reference is just an abbreviation when properties are distributive, but not otherwise [Hossack]
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5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / d. Russell's paradox
10673
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Plural language can discuss without inconsistency things that are not members of themselves [Hossack]
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