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  3. it is known that v 1 1234 1324 1423...

Question: it is known that v 1 1234 1324 1423...

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1- It is known that V (1), (12) (34), (13) (24),(14) (23) is a normal subgroup of S Let w (12)(34), the subgroup of Si generated by or (12) (34). Prove that W 4V but W is not normal in S4. Conclude that normality is not transitive.
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