Step
*
1
1
of Lemma
rleq-iff-bdd
1. x : ℝ
2. y : ℝ
3. ∃B:ℕ. ∀n:ℕ+. ((x n) ≤ ((y n) + B))
4. ∃n:ℕ+. (y n) + 4 < x n
5. ∀b:{4...}. ∃n:ℕ+. ∀m:{n...}. (y m) + b < x m
⊢ False
BY
{ D 3 }
1
1. x : ℝ
2. y : ℝ
3. B : ℕ
4. ∀n:ℕ+. ((x n) ≤ ((y n) + B))
5. ∃n:ℕ+. (y n) + 4 < x n
6. ∀b:{4...}. ∃n:ℕ+. ∀m:{n...}. (y m) + b < x m
⊢ False
Latex:
Latex:
1. x : \mBbbR{}
2. y : \mBbbR{}
3. \mexists{}B:\mBbbN{}. \mforall{}n:\mBbbN{}\msupplus{}. ((x n) \mleq{} ((y n) + B))
4. \mexists{}n:\mBbbN{}\msupplus{}. (y n) + 4 < x n
5. \mforall{}b:\{4...\}. \mexists{}n:\mBbbN{}\msupplus{}. \mforall{}m:\{n...\}. (y m) + b < x m
\mvdash{} False
By
Latex:
D 3
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