Talk:Integral Closure is Subring

What does the notation "$\hookrightarrow$" mean?

You may have told me and I've forgotten. Suggest a link to its definition page may be in order. --prime mover 02:12, 6 May 2011 (CDT)


 * Inclusion; may as well be $\subseteq$, I'll wait 'til we decide on Definition:Ring Extension before changing it --Linus44 03:02, 6 May 2011 (CDT)