Principal ideal
= Principal ideal
{title2=$(a)$}
{wiki}
= Principal
{synonym}
A principal ideal is generated by one element: $(a)=\{ra:r\in R\}$.
= Principal ideal
{title2=$(a)$}
{wiki}
= Principal
{synonym}
A principal ideal is generated by one element: $(a)=\{ra:r\in R\}$.