Single Idea 3339

[catalogued under 4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets]

Full Idea

For Zermelo's set theory the empty set is zero and the successor of each number is its unit set.

Gist of Idea

For Zermelo's set theory the empty set is zero and the successor of each number is its unit set

Source

report of Ernst Zermelo (works [1920]) by Simon Blackburn - Oxford Dictionary of Philosophy p.280

Book Reference

Benardete,José A.: 'Metaphysics: The Logical Approach' [OUP 1989], p.280

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