Talk:Injection to Image is Bijection

question answered
In response to the "questionable" template invocation:
 * "Restriction of Injection is Injection doesn't deal with codomain but is invoked like it does"

I have amended Restriction of Injection is Injection so that it does - please feel free to check, then this questionable can be cleared. --prime mover (talk) 10:33, 24 January 2013 (UTC)