Step
*
1
of Lemma
rv-be-symmetry
1. n : ℕ
2. a : ℝ^n
3. b : ℝ^n
4. c : ℝ^n
5. c ≠ b
6. b ≠ a
7. ¬c-b-a
8. a ≠ b
9. b ≠ c
⊢ ¬a-b-c
BY
{ (ParallelOp -3 THEN BLemma `rv-between-symmetry` THEN Auto) }
Latex:
Latex:
1. n : \mBbbN{}
2. a : \mBbbR{}\^{}n
3. b : \mBbbR{}\^{}n
4. c : \mBbbR{}\^{}n
5. c \mneq{} b
6. b \mneq{} a
7. \mneg{}c-b-a
8. a \mneq{} b
9. b \mneq{} c
\mvdash{} \mneg{}a-b-c
By
Latex:
(ParallelOp -3 THEN BLemma `rv-between-symmetry` THEN Auto)
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