The question is in the title : Is the ideal of a subring also an ideal for the base ring?
2026-03-29 15:02:27.1774796547
Is the ideal of a subring also an ideal for the base ring?
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$\mathbb Z$ is a subring of $\mathbb Q$, but the ideal $\mathbb Z\subseteq\mathbb Z$ is not an ideal of $\mathbb Q$.
Hope this helps.