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Step * 1 of Lemma int_prod0_lemma


1. f : Top@i
⊢ Π(f[x] | x < 0) ~ 1
BY
{ Try (RW (AddrC [1] (UnfoldC `int-prod` ANDTHENC ReduceC)) 0)⋅ }

1
1. f : Top@i
⊢ 1 ~ 1

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Latex:

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Latex:

1.  f  :  Top@i
\mvdash{}  \mPi{}(f[x]  |  x  <  0)  \msim{}  1


By

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Latex:
Try  (RW  (AddrC  [1]  (UnfoldC  `int-prod`  ANDTHENC  ReduceC))  0)\mcdot{}

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