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Step * of Lemma rmul-ident-div

∀[r,s:ℝ].  ((r/r) * s) = s supposing r ≠ r0
BY
{ (Auto THEN RWO "rdiv-self" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[r,s:\mBbbR{}].    ((r/r)  *  s)  =  s  supposing  r  \mneq{}  r0


By

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Latex:
(Auto  THEN  RWO  "rdiv-self"  0  THEN  Auto)

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