Why "ab" and "ca" are isomporphic?


  • 0
    J

    The expected answer for "ab" and "ca" is true. I don't understand why. 'a' is mapped to 'c', then 'c' should also be mapped to 'a', then 'b' cannot be mapped to 'a' anymore.

    Can anyone explain why?


  • 0

    'a' is mapped to 'c', then 'c' should also be mapped to 'a'

    No idea why you think that. It's wrong.


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