Combining Texts

Ideas for 'Parmenides', 'Introduction to 'Personal Identity'' and 'Problems of Philosophy'

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5 ideas

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
Demonstration always relies on the rule that anything implied by a truth is true [Russell]
5. Theory of Logic / F. Referring in Logic / 1. Naming / b. Names as descriptive
Proper names are really descriptions, and can be replaced by a description in a person's mind [Russell]
5. Theory of Logic / F. Referring in Logic / 2. Descriptions / b. Definite descriptions
The phrase 'a so-and-so' is an 'ambiguous' description'; 'the so-and-so' (singular) is a 'definite' description [Russell]
5. Theory of Logic / L. Paradox / 3. Antinomies
Plato found antinomies in ideas, Kant in space and time, and Bradley in relations [Plato, by Ryle]
Plato's 'Parmenides' is perhaps the best collection of antinomies ever made [Russell on Plato]