Recent content by XxLegato666xX

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    Homomorphism of groups question

    Awesome that helped a lot.
  2. X

    Homomorphism of groups question

    *edit* problem solved.
  3. X

    Two set theory questions (isomorphism and countable sets)

    First Homework Statement Let X be a finite non-empty set and Y a countable set. Prove that XxY (X cross Y) is countable Homework Equations X isomorphic {1, 2, ..., n} for some n\inN, N is natural numbers Y isomorphic to natural numbers The Attempt at a Solution I wasn't able to...