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Step * of Lemma qbetween_wf

∀[a,b,c:ℚ].  (a ≤ b ≤ c ∈ ℙ)
BY
{ (Unfold `qbetween` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[a,b,c:\mBbbQ{}].    (a  \mleq{}  b  \mleq{}  c  \mmember{}  \mBbbP{})


By

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Latex:
(Unfold  `qbetween`  0  THEN  Auto)

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