Step
*
1
1
1
1
1
1
of Lemma
common-limit-squeeze
.....equality.....
1. a : ℕ ⟶ ℝ
2. b : ℕ ⟶ ℝ
3. c : ℕ ⟶ ℝ
4. ∀n:ℕ. ((a[n] ≤ a[n + 1]) ∧ (a[n + 1] ≤ b[n + 1]) ∧ (b[n + 1] ≤ b[n]))
5. ∀k:ℕ+. (∃N:ℕ [(∀n:ℕ. ((N ≤ n)
⇒ (|c[n] - r0| ≤ (r1/r(k)))))])
6. ∀n:ℕ. r0≤b[n] - a[n]≤c[n]
7. k : ℕ+
8. N : ℕ
9. ∀n:ℕ. ((N ≤ n)
⇒ (|c[n] - r0| ≤ (r1/r(k))))
10. n : ℕ
11. m : ℕ
12. N ≤ n
13. N ≤ m
14. d : ℤ
15. n1 : ℕ
16. m1 : ℕ
17. (m1 - n1) = 0 ∈ ℤ
⊢ m1 ~ n1
BY
{ Auto' }
Latex:
Latex:
.....equality.....
1. a : \mBbbN{} {}\mrightarrow{} \mBbbR{}
2. b : \mBbbN{} {}\mrightarrow{} \mBbbR{}
3. c : \mBbbN{} {}\mrightarrow{} \mBbbR{}
4. \mforall{}n:\mBbbN{}. ((a[n] \mleq{} a[n + 1]) \mwedge{} (a[n + 1] \mleq{} b[n + 1]) \mwedge{} (b[n + 1] \mleq{} b[n]))
5. \mforall{}k:\mBbbN{}\msupplus{}. (\mexists{}N:\mBbbN{} [(\mforall{}n:\mBbbN{}. ((N \mleq{} n) {}\mRightarrow{} (|c[n] - r0| \mleq{} (r1/r(k)))))])
6. \mforall{}n:\mBbbN{}. r0\mleq{}b[n] - a[n]\mleq{}c[n]
7. k : \mBbbN{}\msupplus{}
8. N : \mBbbN{}
9. \mforall{}n:\mBbbN{}. ((N \mleq{} n) {}\mRightarrow{} (|c[n] - r0| \mleq{} (r1/r(k))))
10. n : \mBbbN{}
11. m : \mBbbN{}
12. N \mleq{} n
13. N \mleq{} m
14. d : \mBbbZ{}
15. n1 : \mBbbN{}
16. m1 : \mBbbN{}
17. (m1 - n1) = 0
\mvdash{} m1 \msim{} n1
By
Latex:
Auto'
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