Combining Texts

All the ideas for 'Necessary Existents', 'Whitehead and the Rise of Modern Logic' and 'What We Owe to Each Other'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

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

13639

Quine says higher-order items are intensional, and lack a clearly defined identity relation [Quine, by Shapiro]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / b. Type theory

21557

Russell confused use and mention, and reduced classes to properties, not to language [Quine, by Lackey]

19. Language / D. Propositions / 3. Concrete Propositions

19216

Propositions (such as 'that dog is barking') only exist if their items exist [Williamson]

23. Ethics / B. Contract Ethics / 9. Contractualism

20992

Right and wrong concerns what other people cannot reasonably reject [Scanlon]