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Step * of Lemma rabs-int

∀[a:ℤ]. (|r(a)| = r(|a|) ∈ ℝ)
BY
{ (Auto THEN EqTypeCD THEN Auto) }

1
1. a : ℤ
⊢ |r(a)| = r(|a|) ∈ (ℕ+ ⟶ ℤ)

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Latex:

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Latex:
\mforall{}[a:\mBbbZ{}].  (|r(a)|  =  r(|a|))


By

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Latex:
(Auto  THEN  EqTypeCD  THEN  Auto)

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