Step
*
of Lemma
rmin-rmax-distrib
∀a,b,c:ℝ.  (rmin(a;rmax(b;c)) = rmax(rmin(a;b);rmin(a;c)))
BY
{ (Auto THEN RWO  "rmin-rmax-distrib-strong" 0 THEN Auto) }
Latex:
Latex:
\mforall{}a,b,c:\mBbbR{}.    (rmin(a;rmax(b;c))  =  rmax(rmin(a;b);rmin(a;c)))
By
Latex:
(Auto  THEN  RWO    "rmin-rmax-distrib-strong"  0  THEN  Auto)
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