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Step * of Lemma real-vec-norm-squared

∀[n:ℕ]. ∀[x:ℝ^n].  (||x||^2 = x ⋅ x)
BY
{ (Auto
   THEN Unfold `real-vec` -1
   THEN (RW (AddrC [1] (LemmaC `rnexp2`)) 0 THENA Auto)
   THEN Unfold `real-vec-norm` 0
   THEN BLemma `rsqrt_squared`
   THEN Auto) }

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Latex:

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Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[x:\mBbbR{}\^{}n].    (||x||\^{}2  =  x  \mcdot{}  x)


By

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Latex:
(Auto
  THEN  Unfold  `real-vec`  -1
  THEN  (RW  (AddrC  [1]  (LemmaC  `rnexp2`))  0  THENA  Auto)
  THEN  Unfold  `real-vec-norm`  0
  THEN  BLemma  `rsqrt\_squared`
  THEN  Auto)

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