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Step * of Lemma es-propagate-iff2_wf

∀[Info:Type]. ∀[es:EO+(Info)]. ∀[T:Type]. ∀[X,Y,Z:EClass(T)].  ((X | Y) ⇐⇒ Z:T ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[T:Type].  \mforall{}[X,Y,Z:EClass(T)].    ((X  |  Y)  \mLeftarrow{}{}\mRightarrow{}  Z:T  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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