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'fragments/reports', 'Prior Analytics' and 'Vagueness, Truth and Logic'
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7 ideas
5. Theory of Logic / B. Logical Consequence / 3. Deductive Consequence |-
11148
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Deduction is when we suppose one thing, and another necessarily follows [Aristotle]
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5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle
9775
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Excluded Middle, and classical logic, may fail for vague predicates [Fine,K]
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5. Theory of Logic / E. Structures of Logic / 1. Logical Form
18896
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Aristotle places terms at opposite ends, joined by a quantified copula [Aristotle, by Sommers]
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5. Theory of Logic / E. Structures of Logic / 7. Predicates in Logic
3300
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Aristotle's logic is based on the subject/predicate distinction, which leads him to substances and properties [Aristotle, by Benardete,JA]
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5. Theory of Logic / G. Quantification / 1. Quantification
11149
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Affirming/denying sentences are universal, particular, or indeterminate [Aristotle]
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5. Theory of Logic / G. Quantification / 3. Objectual Quantification
8079
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Aristotelian logic has two quantifiers of the subject ('all' and 'some') [Aristotle, by Devlin]
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5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
9771
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Logic holding between indefinite sentences is the core of all language [Fine,K]
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