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Step * of Lemma hdf-out-inl

∀[P,x:Top].  (hdf-out(inl P;x) ~ snd((P x)))
BY
{ (RepUR ``hdf-out hdf-ap`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[P,x:Top].    (hdf-out(inl  P;x)  \msim{}  snd((P  x)))


By

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Latex:
(RepUR  ``hdf-out  hdf-ap``  0  THEN  Auto)

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