master > master: spacing
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@ -5504,12 +5504,12 @@ Insbesondere sind die o.\,s. definierten Operationen assoziativ.
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Darum existieren multiplikative Inverse, $x^{-1},y^{-1}\in K$.
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Aus $xy=0$ folgt dann
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\begin{mathe}[mc]{rcl}
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1 &= &y^{-1}y\\
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&= &y^{-1}1y\\
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&= &y^{-1}(x^{-1}x)y\\
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&= &(y^{-1}x^{-1})(xy)\\
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&= &(y^{-1}x^{-1})0\\
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\begin{mathe}[mc]{rcccccccccccl}
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1 &= &y^{-1}y
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&= &y^{-1}1y
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&= &y^{-1}(x^{-1}x)y
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&= &(y^{-1}x^{-1})(xy)
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&= &(y^{-1}x^{-1})0
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&= &0.\\
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\end{mathe}
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