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Step * of Lemma es-E-interface-subtype

∀[Info:Type]. ∀[es:EO+(Info)]. ∀[X:EClass(Top)].  (E(X) ⊆ E)
BY
{ (Unfold `es-E-interface` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(Top)].    (E(X)  \msubseteq{}  E)


By

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Latex:
(Unfold  `es-E-interface`  0  THEN  Auto)

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