Step
*
1
2
1
1
of Lemma
nearby-cases
1. n : ℕ+
2. x : ℝ
3. y : ℝ
4. m : ℕ+
5. m = (4 * n) ∈ ℕ+
6. a : ℤ
7. a = (x m) ∈ ℤ
8. b : ℤ
9. b = (y m) ∈ ℤ
10. ¬a + 4 < b
11. b + 4 < a
⊢ y < x
BY
{ (D 0 With ⌜m⌝ THEN Auto) }
Latex:
Latex:
1. n : \mBbbN{}\msupplus{}
2. x : \mBbbR{}
3. y : \mBbbR{}
4. m : \mBbbN{}\msupplus{}
5. m = (4 * n)
6. a : \mBbbZ{}
7. a = (x m)
8. b : \mBbbZ{}
9. b = (y m)
10. \mneg{}a + 4 < b
11. b + 4 < a
\mvdash{} y < x
By
Latex:
(D 0 With \mkleeneopen{}m\mkleeneclose{} THEN Auto)
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