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Math Help - proof

  1. #1
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    proof

    I have to prove that the multiplication table of the equivalence class modulo 6 is associative and commutative.
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  2. #2
    Moo
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    Hello,

    Perhaps you can say that when doing the multiplication table, you can observe diagonals, which means that it's commutative... Or simply state that the results for a*b and b*a are always the same..
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