Step
*
2
1
of Lemma
implies-rv-pos-angle
.....assertion.....
1. n : ℕ
2. a : ℝ^n
3. b : ℝ^n
4. c : ℝ^n
5. a' : ℝ^n
6. a-b-a'
7. ab=a'b
8. ab=cb
9. c ≠ a
10. c ≠ a'
⊢ req-vec(n;r(-1)*a - b;a' - b)
BY
{ ThinVar `c' }
1
1. n : ℕ
2. a : ℝ^n
3. b : ℝ^n
4. a' : ℝ^n
5. a-b-a'
6. ab=a'b
⊢ req-vec(n;r(-1)*a - b;a' - b)
Latex:
Latex:
.....assertion.....
1. n : \mBbbN{}
2. a : \mBbbR{}\^{}n
3. b : \mBbbR{}\^{}n
4. c : \mBbbR{}\^{}n
5. a' : \mBbbR{}\^{}n
6. a-b-a'
7. ab=a'b
8. ab=cb
9. c \mneq{} a
10. c \mneq{} a'
\mvdash{} req-vec(n;r(-1)*a - b;a' - b)
By
Latex:
ThinVar `c'
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