Inverse Image of a Subgroup is a Subgroup Proof

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Inverse Image of a Subgroup is a Subgroup Proof. Given a group homomorphism from G to K and J a subgroup of K, the inverse image of J is a subgroup of G.
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Just about to take my Group Theory exam and this cleared up some last minute worries, thank you!

illdoitinmins
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never saw inverse image until today. Life is best if you learn something new every day.

MrCoreyTexas
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Thank you so much.
My Abstract Algebra is killing me

liranekm