Abstract Algebra | Subgroups of Cyclic Groups

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We prove that all subgroups of cyclic groups are themselves cyclic.

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At 2:50, the conditions on the remainder should be 0 <= r < m

dharmapatel
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Don’t we need to first show S is not empty to get a minimal element? It’s easy if g has finite order, since |g| is in S, but I don’t see any obvious choice if g has infinite order.

eukleidesk
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"That's a good place to end this vi-"

skatethe
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omargaber