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Proposition: Existence of Inverse Rational Numbers With Respect to Addition
For every rational number \(x\in\mathbb Q\) there exists an inverse rational number \(x\in\mathbb Q\) such that the sum of both numbers equals the rational zero:
\[x+(x)=0.\]
Table of Contents
Proofs: 1
 Proposition: Position of Minus Sign in Rational Numbers Representations
Mentioned in:
Definitions: 1
Proofs: 2 3 4
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References
Bibliography
 Kramer Jürg, von Pippich, AnnaMaria: "Von den natürlichen Zahlen zu den Quaternionen", SpringerSpektrum, 2013