Definition talk:Ring Extension

Should:


 * Then $R \subseteq S$ is a ring extension of $R$.

read:


 * Then $S$ is a ring extension of $R$.

? --prime mover 17:01, 5 May 2011 (CDT)


 * Kind of... realy both rings are part of the extension; but good point, formally the ring extension should be a homomorphism:


 * $\phi: R \to S$ I'll change it --Linus44 17:07, 5 May 2011 (CDT)