Combining Texts

All the ideas for 'Necessary Existents', 'Review of Frege's 'Grundlagen'' and 'Lecture on Nominalism'

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5 ideas

2. Reason / F. Fallacies / 1. Fallacy

21697

The Struthionic Fallacy is that of burying one's head in the sand [Quine]

5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic

21698

All relations, apart from ancestrals, can be reduced to simpler logic [Quine]

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

9992	The 'extension of a concept' in general may be quantitatively completely indeterminate [Cantor]

6. Mathematics / C. Sources of Mathematics / 3. Mathematical Nominalism

21696

Nominalism rejects both attributes and classes (where extensionalism accepts the classes) [Quine]

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

19216

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