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Step * of Lemma hdf-compose3_wf

∀[A,B,C:Type]. ∀[X:hdataflow(A;B ─→ C)]. ∀[Y:hdataflow(A;B)].  X o Y ∈ hdataflow(A;C) supposing valueall-type(C)
BY
{ ProveWfLemma }

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Latex:


\mforall{}[A,B,C:Type].  \mforall{}[X:hdataflow(A;B  {}\mrightarrow{}  C)].  \mforall{}[Y:hdataflow(A;B)].
    X  o  Y  \mmember{}  hdataflow(A;C)  supposing  valueall-type(C)


By

ProveWfLemma

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