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Step * of Lemma es-box_wf

∀[es:EO]. ∀[P:E ⟶ ℙ].  ([]P ∈ E ⟶ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[es:EO].  \mforall{}[P:E  {}\mrightarrow{}  \mBbbP{}].    ([]P  \mmember{}  E  {}\mrightarrow{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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