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Step * of Lemma scalar-triple-product-symmetry

∀[r:CRng]. ∀[a,b,c:ℕ3 ⟶ |r|].  (|a,b,c| = |b,c,a| ∈ |r|)
BY
{ (Auto
   THEN RepUR ``scalar-triple-product scalar-product cross-product`` 0
   THEN RepUR ``rng_sum mon_itop`` 0
   THEN RepeatFor 4 ((RecUnfold `itop` 0 THEN Reduce 0))
   THEN RW CRngNormC 0
   THEN Auto) }

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Latex:

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Latex:
\mforall{}[r:CRng].  \mforall{}[a,b,c:\mBbbN{}3  {}\mrightarrow{}  |r|].    (|a,b,c|  =  |b,c,a|)


By

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Latex:
(Auto
  THEN  RepUR  ``scalar-triple-product  scalar-product  cross-product``  0
  THEN  RepUR  ``rng\_sum  mon\_itop``  0
  THEN  RepeatFor  4  ((RecUnfold  `itop`  0  THEN  Reduce  0))
  THEN  RW  CRngNormC  0
  THEN  Auto)

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