From Encyclopedia of Mathematics
Revision as of 16:55, 7 February 2011 by (talk) (Importing text file)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

injective mapping, of a set into a set

A mapping under which different elements of have different images in . An injection is also called an imbedding (or inclusion) of into .


In category theory, a morphism is called injective if for all morphisms and : If , then .

How to Cite This Entry:
Injection. Encyclopedia of Mathematics. URL:
This article was adapted from an original article by O.A. Ivanova (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article