Combining Texts

All the ideas for 'An Introduction to Hegel', 'Frege on Extensions from Concepts' and 'The Philosophy of Logic'

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5 ideas

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / i. Cardinal infinity
Very large sets should be studied in an 'if-then' spirit [Putnam]
6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / b. Indispensability of mathematics
Indispensability strongly supports predicative sets, and somewhat supports impredicative sets [Putnam]
We must quantify over numbers for science; but that commits us to their existence [Putnam]
18. Thought / C. Content / 1. Content
Are meaning and expressed concept the same thing? [Burge, by Segal]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / b. Defining ethics
The moral will is self-determining, but the ethical will is met in society [Houlgate]