Combining Texts

All the ideas for 'Remarks on the Foundations of Mathematics', 'works' and 'De Essentia'

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5 ideas

3. Truth / H. Deflationary Truth / 1. Redundant Truth

11074

'It is true that this follows' means simply: this follows [Wittgenstein]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

9565	Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara]

3339	For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism

11073

Two and one making three has the necessity of logical inference [Wittgenstein]

9. Objects / A. Existence of Objects / 5. Individuation / d. Individuation by haecceity

13132

A snowball's haecceity is the property of being identical with itself [Plantinga, by Westerhoff]