Combining Texts

All the ideas for '67: Platonic Questions', 'Constructibility and Mathematical Existence' and 'Short History of Modern Philosophy'

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9 ideas

4. Formal Logic / F. Set Theory ST / 8. Critique of Set Theory
8758 We could talk of open sentences, instead of sets [Chihara, by Shapiro]
5. Theory of Logic / A. Overview of Logic / 2. History of Logic
5637 Nowadays logic is seen as the science of extensions, not intensions [Scruton]
6. Mathematics / C. Sources of Mathematics / 6. Logicism / b. Type theory
10265 Chihara's system is a variant of type theory, from which he can translate sentences [Chihara, by Shapiro]
8759 We can replace type theory with open sentences and a constructibility quantifier [Chihara, by Shapiro]
6. Mathematics / C. Sources of Mathematics / 10. Constructivism / a. Constructivism
10264 Introduce a constructibility quantifiers (Cx)Φ - 'it is possible to construct an x such that Φ' [Chihara, by Shapiro]
15. Nature of Minds / A. Nature of Mind / 2. Psuche
5960 When the soul is intelligent and harmonious, it is part of god and derives from god [Plutarch]
18. Thought / C. Content / 2. Ideas
5636 Cartesian 'ideas' confuse concepts and propositions [Scruton]
24. Political Theory / A. Basis of a State / 3. Natural Values / c. Natural rights
5660 Allegiance is prior to the recognition of individual rights [Scruton]
25. Social Practice / C. Rights / 1. Basis of Rights
5653 A right is a power which is enforced in the name of justice [Scruton]