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Step * of Lemma rleq_transitivity

∀[x,y,z:ℝ].  (x ≤ z) supposing ((y ≤ z) and (x ≤ y))
BY
{ (RepUR ``rleq`` 0
   THEN Auto
   THEN ((FLemma `rnonneg-radd` [-1; -2]) THENA Auto)
   THEN (nRNorm (-1))
   THEN nRNorm 0
   THEN Auto) }

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Latex:

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


By

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Latex:
(RepUR  ``rleq``  0
  THEN  Auto
  THEN  ((FLemma  `rnonneg-radd`  [-1;  -2])  THENA  Auto)
  THEN  (nRNorm  (-1))
  THEN  nRNorm  0
  THEN  Auto)

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