Single Idea 10098

[catalogued under 4. Formal Logic / F. Set Theory ST / 2. Mechanics of Set Theory / b. Terminology of ST]

Full Idea

The 'power set' of A is all the subsets of A. P(A) = {B : B ⊆ A}.

Gist of Idea

The 'power set' of A is all the subsets of A

Source

A.George / D.J.Velleman (Philosophies of Mathematics [2002], Ch.3)

Book Reference

George,A/Velleman D.J.: 'Philosophies of Mathematics' [Blackwell 2002], p.50