Single Idea 9708

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

Full Idea

A function 'maps A into B' if the domain of relating things is set A, and the things related to are all in B.

Gist of Idea

A function 'maps A into B' if the relating things are set A, and the things related to are all in B

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.5