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Step * of Lemma neg-bfs_wf

∀[S:Type]. ∀[K:RngSig]. ∀[fs:basic-formal-sum(K;S)].  (-(fs) ∈ basic-formal-sum(K;S))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[S:Type].  \mforall{}[K:RngSig].  \mforall{}[fs:basic-formal-sum(K;S)].    (-(fs)  \mmember{}  basic-formal-sum(K;S))


By

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Latex:
ProveWfLemma

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