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Step * of Lemma bfs-equiv_wf

∀[K:RngSig]. ∀[S:Type]. ∀[a,b:basic-formal-sum(K;S)].  (bfs-equiv(K;S;a;b) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[K:RngSig].  \mforall{}[S:Type].  \mforall{}[a,b:basic-formal-sum(K;S)].    (bfs-equiv(K;S;a;b)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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