Proposition: Addition of Rational Numbers Is Commutative

The addition of rational numbers is commutative, i.e. the law \(x+y=y+x\) is valid for all \(x,y \in \mathbb Q\).

Proofs: 1

Proofs: 1 2 3 4


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References

Bibliography

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