Single Idea 9699

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

Full Idea

The 'powerset' of a set is all the subsets of a given set. Thus: PA = {x : x ⊆ A}.

Gist of Idea

The 'powerset' of a set is all the subsets of a given set

Source

Herbert B. Enderton (A Mathematical Introduction to Logic (2nd) [2001], Ch.0)

Book Reference

Enderton,Herbert B.: 'A Mathematical Introduction to Logic' [Academic Press 2001], p.2

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