Step
*
1
1
1
1
1
1
of Lemma
rv-pos-angle-implies-separated
1. a : ℝ
2. b : ℝ
3. c : ℝ
4. r0 ≤ a
5. r0 ≤ b
6. (r(4) * c^2) < (r(4) * a * b)
7. (r(4) * a * b) ≤ ((a * a) + (r(2) * a * b) + (b * b))
8. (r(4) * c^2) < ((a * a) + (r(2) * a * b) + (b * b))
⊢ r0 < ((a + b) + (r(-2) * c))
BY
{ (nRAdd ⌜r(2) * c⌝ 0⋅ THENA Auto) }
1
1. a : ℝ
2. b : ℝ
3. c : ℝ
4. r0 ≤ a
5. r0 ≤ b
6. (r(4) * c^2) < (r(4) * a * b)
7. (r(4) * a * b) ≤ ((a * a) + (r(2) * a * b) + (b * b))
8. (r(4) * c^2) < ((a * a) + (r(2) * a * b) + (b * b))
⊢ (r(2) * c) < (a + b)
Latex:
Latex:
1. a : \mBbbR{}
2. b : \mBbbR{}
3. c : \mBbbR{}
4. r0 \mleq{} a
5. r0 \mleq{} b
6. (r(4) * c\^{}2) < (r(4) * a * b)
7. (r(4) * a * b) \mleq{} ((a * a) + (r(2) * a * b) + (b * b))
8. (r(4) * c\^{}2) < ((a * a) + (r(2) * a * b) + (b * b))
\mvdash{} r0 < ((a + b) + (r(-2) * c))
By
Latex:
(nRAdd \mkleeneopen{}r(2) * c\mkleeneclose{} 0\mcdot{} THENA Auto)
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