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Step * of Lemma minus-polynom_wf

∀[n:ℕ]. ∀[p:polyform(n)].  (minus-polynom(n;p) ∈ polyform(n))
BY
{ (InductionOnNat
   THEN Auto
   THEN RecUnfold `polyform` 0
   THEN Reduce 0
   THEN RecUnfold `minus-polynom` 0
   THEN Reduce 0
   THEN RecUnfold `polyform` (-1)
   THEN OReduce (-1)
   THEN Auto) }

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Latex:

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Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[p:polyform(n)].    (minus-polynom(n;p)  \mmember{}  polyform(n))


By

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Latex:
(InductionOnNat
  THEN  Auto
  THEN  RecUnfold  `polyform`  0
  THEN  Reduce  0
  THEN  RecUnfold  `minus-polynom`  0
  THEN  Reduce  0
  THEN  RecUnfold  `polyform`  (-1)
  THEN  OReduce  (-1)
  THEN  Auto)

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