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Step * of Lemma qless_functionality_wrt_implies_1

∀[a,b,c,d:ℚ].  ({a < d supposing b < c}) supposing ((c ≤ d) and (b ≥ a))
BY
{ (Unfold `guard` 0 THEN Auto)⋅ }

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Latex:

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Latex:
\mforall{}[a,b,c,d:\mBbbQ{}].    (\{a  <  d  supposing  b  <  c\})  supposing  ((c  \mleq{}  d)  and  (b  \mgeq{}  a))


By

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Latex:
(Unfold  `guard`  0  THEN  Auto)\mcdot{}

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