Combining Texts

All the ideas for 'Idealism: a critical survey', 'Nominalism and Realism' and 'The Theory of Logical Types'

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8 ideas

5. Theory of Logic / E. Structures of Logic / 5. Functions in Logic
21566 'Propositional functions' are ambiguous until the variable is given a value [Russell]
5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox
21567 'All judgements made by Epimenedes are true' needs the judgements to be of the same type [Russell]
6. Mathematics / C. Sources of Mathematics / 6. Logicism / b. Type theory
23457 Type theory cannot identify features across levels (because such predicates break the rules) [Morris,M on Russell]
21556 Classes are defined by propositional functions, and functions are typed, with an axiom of reducibility [Russell, by Lackey]
6. Mathematics / C. Sources of Mathematics / 10. Constructivism / d. Predicativism
21568 A one-variable function is only 'predicative' if it is one order above its arguments [Russell]
8. Modes of Existence / D. Universals / 2. Need for Universals
4032 The problem of universals is how many particulars can all be of the same 'type' [Armstrong]
13. Knowledge Criteria / B. Internal Justification / 5. Coherentism / b. Pro-coherentism
21513 We can no more expect a precise definition of coherence than we can of the moral ideal [Ewing]
13. Knowledge Criteria / B. Internal Justification / 5. Coherentism / c. Coherentism critique
21497 If undetailed, 'coherence' is just a vague words that covers all possible arguments [Ewing]