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'works', 'Modal Logics and Philosophy' and 'Plurals and Complexes'
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7 ideas
5. Theory of Logic / B. Logical Consequence / 7. Strict Implication
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Necessary implication is called 'strict implication'; if successful, it is called 'entailment' [Girle]
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5. Theory of Logic / F. Referring in Logic / 2. Descriptions / b. Definite descriptions
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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
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Plural reference will refer to complex facts without postulating complex things [Hossack]
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Plural reference is just an abbreviation when properties are distributive, but not otherwise [Hossack]
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A plural comprehension principle says there are some things one of which meets some condition [Hossack]
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5. Theory of Logic / H. Proof Systems / 5. Tableau Proof
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If an argument is invalid, a truth tree will indicate a counter-example [Girle]
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5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / d. Russell's paradox
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Plural language can discuss without inconsistency things that are not members of themselves [Hossack]
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