Step
*
of Lemma
rv-Tsep
∀n:ℕ. ∀a,b:ℝ^n. ∀c:{c:ℝ^n| ¬(b ≠ c ∧ (¬a-b-c))} . (a ≠ b
⇒ a ≠ c)
BY
{ (Auto THEN ParallelLast THEN (Assert ⌜d(a;b) ≤ d(a;c)⌝⋅ THENM (RWO "-1<" 0 THEN Auto))) }
1
.....assertion.....
1. n : ℕ
2. a : ℝ^n
3. b : ℝ^n
4. c : {c:ℝ^n| ¬(b ≠ c ∧ (¬a-b-c))}
5. r0 < d(a;b)
⊢ d(a;b) ≤ d(a;c)
Latex:
Latex:
\mforall{}n:\mBbbN{}. \mforall{}a,b:\mBbbR{}\^{}n. \mforall{}c:\{c:\mBbbR{}\^{}n| \mneg{}(b \mneq{} c \mwedge{} (\mneg{}a-b-c))\} . (a \mneq{} b {}\mRightarrow{} a \mneq{} c)
By
Latex:
(Auto THEN ParallelLast THEN (Assert \mkleeneopen{}d(a;b) \mleq{} d(a;c)\mkleeneclose{}\mcdot{} THENM (RWO "-1<" 0 THEN Auto)))
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