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Step * of Lemma funclosed-set_wf

∀[f:Set{i:l} ⟶ Set{i:l}]. ∀[s:Set{i:l}].  (f-closed(s) ∈ ℙ')
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[f:Set\{i:l\}  {}\mrightarrow{}  Set\{i:l\}].  \mforall{}[s:Set\{i:l\}].    (f-closed(s)  \mmember{}  \mBbbP{}')


By

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Latex:
ProveWfLemma

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