Step
*
4
of Lemma
q-triangle-inequality
1. r : ℚ
2. s : ℚ
3. ¬0 < r + s
4. 0 < r
5. 0 < s
6. ¬((-(r) + -(s)) ≤ (r + s))
⊢ (-(r) + -(s)) ≤ (r + s)
BY
{ QConstraints⋅ }
Latex:
Latex:
1. r : \mBbbQ{}
2. s : \mBbbQ{}
3. \mneg{}0 < r + s
4. 0 < r
5. 0 < s
6. \mneg{}((-(r) + -(s)) \mleq{} (r + s))
\mvdash{} (-(r) + -(s)) \mleq{} (r + s)
By
Latex:
QConstraints\mcdot{}
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