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Step * of Lemma int-prod-1

∀[n:ℕ]. (Π(1 | x < n) = 1 ∈ ℤ)
BY
{ TACTIC:(PrimrecInductionOn `n'⋅ THEN Auto) }

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Latex:

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Latex:
\mforall{}[n:\mBbbN{}].  (\mPi{}(1  |  x  <  n)  =  1)


By

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Latex:
TACTIC:(PrimrecInductionOn  `n'\mcdot{}  THEN  Auto)

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