Step
*
1
of Lemma
r-archimedean-rabs
1. x : ℝ
2. n : ℕ
3. r(-n) ≤ x
4. x ≤ r(n)
5. x ≤ r(n)
⊢ -(x) ≤ r(n)
BY
{ (nRMul ⌜r(-1)⌝ (-3)⋅ THEN Auto) }
Latex:
Latex:
1. x : \mBbbR{}
2. n : \mBbbN{}
3. r(-n) \mleq{} x
4. x \mleq{} r(n)
5. x \mleq{} r(n)
\mvdash{} -(x) \mleq{} r(n)
By
Latex:
(nRMul \mkleeneopen{}r(-1)\mkleeneclose{} (-3)\mcdot{} THEN Auto)
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