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Step * of Lemma pairset_wf

∀[a,b:coSet{i:l}].  ({a,b} ∈ coSet{i:l})
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[a,b:coSet\{i:l\}].    (\{a,b\}  \mmember{}  coSet\{i:l\})


By

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Latex:
ProveWfLemma

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