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Step * of Lemma fset-ac-lub_wf

∀[T:Type]. ∀[eq:EqDecider(T)]. ∀[ac1,ac2:{ac:fset(fset(T))| ↑fset-antichain(eq;ac)} ].
  (fset-ac-lub(eq;ac1;ac2) ∈ {ac:fset(fset(T))| ↑fset-antichain(eq;ac)} )
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[eq:EqDecider(T)].  \mforall{}[ac1,ac2:\{ac:fset(fset(T))|  \muparrow{}fset-antichain(eq;ac)\}  ].
    (fset-ac-lub(eq;ac1;ac2)  \mmember{}  \{ac:fset(fset(T))|  \muparrow{}fset-antichain(eq;ac)\}  )


By

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Latex:
ProveWfLemma

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