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'fragments/reports', 'The Essence of Reference' and 'Our Knowledge of the External World'
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6 ideas
5. Theory of Logic / A. Overview of Logic / 3. Value of Logic
21588
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Logic gives the method of research in philosophy [Russell]
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5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
21586
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The logical connectives are not objects, but are formal, and need a context [Russell]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / e. Empty names
10429
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It is best to say that a name designates iff there is something for it to designate [Sainsbury]
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5. Theory of Logic / F. Referring in Logic / 2. Descriptions / b. Definite descriptions
10425
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Definite descriptions may not be referring expressions, since they can fail to refer [Sainsbury]
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10438
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Definite descriptions are usually rigid in subject, but not in predicate, position [Sainsbury]
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5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / a. Achilles paradox
21585
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The tortoise won't win, because infinite instants don't compose an infinitely long time [Russell]
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