File:Inversion of less-than-relation by multiplication with negative number.svg

Summary

Description	English: Implication $a < 0 \Rightarrow x < y \Rightarrow a x > a y$ on the real number line. Deutsch: Implikation $a < 0 \Rightarrow x < y \Rightarrow a x > a y$ dargestellt auf der reellen Zahlengeraden.
Date	8 July 2014, 00:55:00
Source	Own work
Author	Stephan Kulla (User:Stephan Kulla)
Other versions	Translation invariance of less-than-relation Invariance of less-than-relation by multiplication with positive number

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