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Step * of Lemma es-interface-accum_wf

∀[Info,A,B:Type]. ∀[X:EClass(A)]. ∀[b:B]. ∀[f:B ─→ A ─→ B].  (es-interface-accum(f;b;X) ∈ EClass(B))
BY
{ (Auto THEN Unfolds ``eclass es-interface-accum`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[Info,A,B:Type].  \mforall{}[X:EClass(A)].  \mforall{}[b:B].  \mforall{}[f:B  {}\mrightarrow{}  A  {}\mrightarrow{}  B].    (es-interface-accum(f;b;X)  \mmember{}  EClass(B))


By

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Latex:
(Auto  THEN  Unfolds  ``eclass  es-interface-accum``  0  THEN  Auto)

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