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Step * of Lemma req*_inversion

∀[x,y:ℝ*].  (x = y ⇒ y = x)
BY
{ (Auto THEN RepeatFor 3 (ParallelLast) THEN Auto) }

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Latex:

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Latex:
\mforall{}[x,y:\mBbbR{}*].    (x  =  y  {}\mRightarrow{}  y  =  x)


By

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Latex:
(Auto  THEN  RepeatFor  3  (ParallelLast)  THEN  Auto)

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