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Step * of Lemma rabs-int-rmul-unit

∀[k:ℕ]. ∀[x:ℝ].  (|-1^k * x| = |x|)
BY
{ (Auto THEN RWO "rabs-int-rmul" 0 THEN Auto) }

1
1. k : ℕ
2. x : ℝ
⊢ |-1^k| * |x| = |x|

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Latex:

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Latex:
\mforall{}[k:\mBbbN{}].  \mforall{}[x:\mBbbR{}].    (|-1\^{}k  *  x|  =  |x|)


By

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Latex:
(Auto  THEN  RWO  "rabs-int-rmul"  0  THEN  Auto)

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