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Step * of Lemma es-interface-predicate_wf

∀[Info,A:Type]. ∀[X:EClass(A)]. ∀[es:EO+(Info)].  ({X} ∈ E ─→ ℙ)
BY
{ (Unfold `es-interface-predicate` 0 THEN Auto) }

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Latex:


\mforall{}[Info,A:Type].  \mforall{}[X:EClass(A)].  \mforall{}[es:EO+(Info)].    (\{X\}  \mmember{}  E  {}\mrightarrow{}  \mBbbP{})


By

(Unfold  `es-interface-predicate`  0  THEN  Auto)

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