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Step * of Lemma rmin_lb

∀[x,y,z:ℝ].  rmin(x;y) ≤ z supposing (x ≤ z) ∨ (y ≤ z)
BY
{ (Auto THEN (InstLemma `rmin-rleq` [⌜x⌝;⌜y⌝]⋅ THENA Auto) THEN D -2 THEN Auto) }

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Latex:

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Latex:
\mforall{}[x,y,z:\mBbbR{}].    rmin(x;y)  \mleq{}  z  supposing  (x  \mleq{}  z)  \mvee{}  (y  \mleq{}  z)


By

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Latex:
(Auto  THEN  (InstLemma  `rmin-rleq`  [\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{}]\mcdot{}  THENA  Auto)  THEN  D  -2  THEN  Auto)

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