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Step * of Lemma es-E-interface-strong-subtype

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

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Latex:


\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(Top)].    strong-subtype(E(X);E)


By

(Unfold  `es-E-interface`  0  THEN  Auto)\mcdot{}

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