Step
*
1
1
of Lemma
rmul-one
1. x : ℝ
2. n : ℕ+@i
⊢ |((-1) * (x n)) + (x n)| ≤ 0
BY
{ (RW IntNormC 0 THEN Auto) }
Latex:
Latex:
1. x : \mBbbR{}
2. n : \mBbbN{}\msupplus{}@i
\mvdash{} |((-1) * (x n)) + (x n)| \mleq{} 0
By
Latex:
(RW IntNormC 0 THEN Auto)
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