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Step * of Lemma hdf-until_wf

∀[A,B,C:Type]. ∀[X:hdataflow(A;B)]. ∀[Y:hdataflow(A;C)].  (hdf-until(X;Y) ∈ hdataflow(A;B))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A,B,C:Type].  \mforall{}[X:hdataflow(A;B)].  \mforall{}[Y:hdataflow(A;C)].    (hdf-until(X;Y)  \mmember{}  hdataflow(A;B))


By

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Latex:
ProveWfLemma

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