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Step * of Lemma flattice-equiv_wf

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∀[X:Type]. ∀[x,y:Point(free-dl(X + X))].  (flattice-equiv(X;x;y) ∈ ℙ)
BY
{ (ProveWfLemma THEN (Subst' Point(free-dl(X + X)) ~ free-dl-type(X + X) 0 THENA Computation) THEN Auto) }

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Latex:

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Latex:
No  Annotations
\mforall{}[X:Type].  \mforall{}[x,y:Point(free-dl(X  +  X))].    (flattice-equiv(X;x;y)  \mmember{}  \mBbbP{})


By

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Latex:
(ProveWfLemma
  THEN  (Subst'  Point(free-dl(X  +  X))  \msim{}  free-dl-type(X  +  X)  0  THENA  Computation)
  THEN  Auto)

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