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Step * of Lemma iseg_transitivity2

∀[T:Type]. ∀l1,l2,l3:T List.  (l2 ≤ l3 ⇒ l1 ≤ l2 ⇒ l1 ≤ l3)
BY
{ ((Auto THEN InstLemma `iseg_transitivity` [T;l1;l2;l3]) THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}l1,l2,l3:T  List.    (l2  \mleq{}  l3  {}\mRightarrow{}  l1  \mleq{}  l2  {}\mRightarrow{}  l1  \mleq{}  l3)


By

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Latex:
((Auto  THEN  InstLemma  `iseg\_transitivity`  [T;l1;l2;l3])  THEN  Auto)

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