Combining Texts

All the ideas for 'Second Philosophy', 'Concepts and Counting' and 'The Fragmentation of Value'

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4 ideas

5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic

10594

Henkin semantics is more plausible for plural logic than for second-order logic [Maddy]

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure

17462

A single object must not be counted twice, which needs knowledge of distinctness (negative identity) [Rumfitt]

6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / c. Fregean numbers

17461

Some 'how many?' answers are not predications of a concept, like 'how many gallons?' [Rumfitt]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / d. Ethical theory

3284	There is no one theory of how to act (or what to believe) [Nagel]