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Step * 1 of Lemma fl-deq_wf


1. I : fset(ℕ)
⊢ λx,y. (x==y) ∈ EqDecider(Point(face_lattice(I)))
BY
{ (MemTypeCD THEN Auto THEN Reduce -1 THEN RW assert_pushdownC (-1) THEN Auto) }

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Latex:

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Latex:

1.  I  :  fset(\mBbbN{})
\mvdash{}  \mlambda{}x,y.  (x==y)  \mmember{}  EqDecider(Point(face\_lattice(I)))


By

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Latex:
(MemTypeCD  THEN  Auto  THEN  Reduce  -1  THEN  RW  assert\_pushdownC  (-1)  THEN  Auto)

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