Single Idea 10886

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

Full Idea

Principle of Determinacy: For every object a and every set S, either a is an element of S or a is not an element of S.

Gist of Idea

Determinacy: an object is either in a set, or it isn't


José L. Zalabardo (Introduction to the Theory of Logic [2000], §1.2)

Book Reference

Zalabardo,José L.: 'Introduction to the Theory of Logic' [Westview 2000], p.4