Step
*
1
1
of Lemma
rminus-as-rmul
1. r : ℝ
2. n : ℕ+@i
⊢ |(-(r n)) - ((-(r n)) * 2 * n) ÷ 2 * n| ≤ 0
BY
{ (RWO "div-cancel" 0 THEN Auto) }
1
1. r : ℝ
2. n : ℕ+@i
⊢ |(-(r n)) - -(r n)| ≤ 0
Latex:
Latex:
1. r : \mBbbR{}
2. n : \mBbbN{}\msupplus{}@i
\mvdash{} |(-(r n)) - ((-(r n)) * 2 * n) \mdiv{} 2 * n| \mleq{} 0
By
Latex:
(RWO "div-cancel" 0 THEN Auto)
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