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Proposition: Existence of Rational One (Neutral Element of Multiplication of Rational Numbers)
There exists a rational number \(1\in\mathbb Q\) such that \[x\cdot 1=1\cdot x=x\] for all \(x\in\mathbb Q\), i.e. \(1\) is neutral with respect to the multiplication or rational numbers.
Table of Contents
Proofs: 1
Mentioned in:
Proofs: 1 2 3 4 5 6
Propositions: 7
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References
Bibliography
 Kramer Jürg, von Pippich, AnnaMaria: "Von den natürlichen Zahlen zu den Quaternionen", SpringerSpektrum, 2013