Left identity

Let (X,*) be a magma. An element e of X is called a left identity if every x in X satisfies the following axiom. [1]

e*x=x

Also see

References

  1. ↑ http://planetmath.org/encyclopedia/LeftIdentityAndRightIdentity.html
This article is issued from Wikiversity - version of the Sunday, June 19, 2011. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.