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Math Help - İsomorp

  1. #1
    Junior Member mathemanyak's Avatar
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    İsomorp

    Show that f: (Z,+)->(Q,+) defined by f(k)=k/1 is not isomorp
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  2. #2
    Senior Member JaneBennet's Avatar
    Joined
    Dec 2007
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    293
    Itís not surjective (onto).
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