Step
*
1
1
1
of Lemma
rational-approx-property
1. x : ℝ
2. n : ℕ+
3. r(2 * n) = |r(2 * n)|
⊢ (|r(2 * n)| * |x + (r(-(x n))/r(2 * n))|) ≤ r(2)
BY
{ ((RWO "rabs-rmul<" 0 THENA Auto) THEN (RW (AddrC [1;1] FieldReqC) 0 THENA Auto)) }
1
1. x : ℝ
2. n : ℕ+
3. r(2 * n) = |r(2 * n)|
⊢ |r(-(x n)) + (r(2 * n) * x)| ≤ r(2)
Latex:
Latex:
1. x : \mBbbR{}
2. n : \mBbbN{}\msupplus{}
3. r(2 * n) = |r(2 * n)|
\mvdash{} (|r(2 * n)| * |x + (r(-(x n))/r(2 * n))|) \mleq{} r(2)
By
Latex:
((RWO "rabs-rmul<" 0 THENA Auto) THEN (RW (AddrC [1;1] FieldReqC) 0 THENA Auto))
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