# Identity Element

From Conservapedia

This is the current revision of

**Identity Element**as edited by DavidB4-bot (Talk | contribs) at 14:14, July 13, 2016. This URL is a permanent link to this version of this page.An identity element is that element of a set of numbers which, when combined with another number in a particular operation, leaves that number unchanged.

Zero (0) is the identity element under addition for the real numbers. If a is any real number, a + 0 = a and 0 + a = a.

One (1) is the identity element under multiplication since a × 1 = a and 1 × a = a.