Proposition: Multiplication of Integers Is Associative

The multiplication of integers is associative, i.e. the law \((x\cdot y)\cdot z=x\cdot (y\cdot z)\) is valid for all \(x,y,z\in\mathbb Z\).

Proofs: 1

Proofs: 1 2 3 4 5 6 7 8 9


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References

Bibliography

  1. Kramer Jürg, von Pippich, Anna-Maria: "Von den natürlichen Zahlen zu den Quaternionen", Springer-Spektrum, 2013