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Step * of Lemma int_prod0_lemma

∀f:Top. (Π(f[x] | x < 0) ~ 1)
BY
{ (UnivCD THENA Auto) }

1
1. f : Top@i
⊢ Π(f[x] | x < 0) ~ 1

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Latex:

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Latex:
\mforall{}f:Top.  (\mPi{}(f[x]  |  x  <  0)  \msim{}  1)


By

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Latex:
(UnivCD  THENA  Auto)

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