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Step * 1 1 of Lemma hdf-until-halt-right


1. A : Type
2. B : Type
3. X : hdataflow(A;B)@i
⊢ hdf-halted(hdf-until(X;hdf-halt())) = hdf-halted(X)
BY
{ (RepUR ``hdf-until`` 0 THEN RecUnfold `mk-hdf` 0 THEN Reduce 0 THEN AutoSplit) }

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Latex:

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Latex:

1.  A  :  Type
2.  B  :  Type
3.  X  :  hdataflow(A;B)@i
\mvdash{}  hdf-halted(hdf-until(X;hdf-halt()))  =  hdf-halted(X)


By

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Latex:
(RepUR  ``hdf-until``  0  THEN  RecUnfold  `mk-hdf`  0  THEN  Reduce  0  THEN  AutoSplit)

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