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Results tagged with ideals
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user 86526
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The number of ideals in a ring
$.
and we have $A_+ \simeq (\mathbb{Z}/ 2 \mathbb{Z})^n$
Coming back to the original question, if we want the number of ideal of $A$ to be the number of subgroups of $A_+$, all the subgroups must be ideals …
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