Proposition: Multiplication of Integers Is Commutative

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

Proofs: 1

Proofs: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


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References

Bibliography

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