
[理工] 離散 代數系統

想問一下這個證明的過程
為什麼我們可以令H是一個循環群呢?
還有怎麼得到H是G的子群呀
看了一段時間一直看不懂QQ
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推
02/06 16:57, , 1F
02/06 16:57, 1F
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02/06 16:57, , 2F
02/06 16:57, 2F
→
02/06 16:57, , 3F
02/06 16:57, 3F
→
02/06 16:57, , 4F
02/06 16:57, 4F
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02/06 17:01, , 5F
02/06 17:01, 5F
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02/06 17:04, , 6F
02/06 17:04, 6F
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02/06 17:04, , 7F
02/06 17:04, 7F
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02/06 17:04, , 8F
02/06 17:04, 8F
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02/06 17:15, , 9F
02/06 17:15, 9F
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02/06 17:21, , 10F
02/06 17:21, 10F
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02/06 17:22, , 11F
02/06 17:22, 11F
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02/06 17:24, , 12F
02/06 17:24, 12F
推
02/06 17:38, , 13F
02/06 17:38, 13F
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02/06 17:39, , 14F
02/06 17:39, 14F
推
02/06 17:40, , 15F
02/06 17:40, 15F
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02/06 17:40, , 16F
02/06 17:40, 16F
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02/06 17:41, , 17F
02/06 17:41, 17F
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02/06 17:41, , 18F
02/06 17:41, 18F
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02/06 17:41, , 19F
02/06 17:41, 19F
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02/06 17:47, , 20F
02/06 17:47, 20F
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02/06 17:47, , 21F
02/06 17:47, 21F
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02/06 17:47, , 22F
02/06 17:47, 22F
推
02/06 17:51, , 23F
02/06 17:51, 23F
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02/06 17:55, , 24F
02/06 17:55, 24F
推
02/06 17:56, , 25F
02/06 17:56, 25F
→
02/06 18:11, , 26F
02/06 18:11, 26F
推
02/06 18:23, , 27F
02/06 18:23, 27F
→
02/06 18:23, , 28F
02/06 18:23, 28F