Proof of Theorem isltrn2N
Step | Hyp | Ref
| Expression |
1 | | ltrnset.l |
. . 3
⊢ ≤ =
(le‘𝐾) |
2 | | ltrnset.j |
. . 3
⊢ ∨ =
(join‘𝐾) |
3 | | ltrnset.m |
. . 3
⊢ ∧ =
(meet‘𝐾) |
4 | | ltrnset.a |
. . 3
⊢ 𝐴 = (Atoms‘𝐾) |
5 | | ltrnset.h |
. . 3
⊢ 𝐻 = (LHyp‘𝐾) |
6 | | ltrnset.d |
. . 3
⊢ 𝐷 = ((LDil‘𝐾)‘𝑊) |
7 | | ltrnset.t |
. . 3
⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊) |
8 | 1, 2, 3, 4, 5, 6, 7 | isltrn 38060 |
. 2
⊢ ((𝐾 ∈ 𝐵 ∧ 𝑊 ∈ 𝐻) → (𝐹 ∈ 𝑇 ↔ (𝐹 ∈ 𝐷 ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))))) |
9 | | 3simpa 1146 |
. . . . . 6
⊢ ((¬
𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → (¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊)) |
10 | 9 | imim1i 63 |
. . . . 5
⊢ (((¬
𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) |
11 | | 3anass 1093 |
. . . . . . . . 9
⊢ ((𝑝 ≠ 𝑞 ∧ ¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) ↔ (𝑝 ≠ 𝑞 ∧ (¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊))) |
12 | | 3anrot 1098 |
. . . . . . . . 9
⊢ ((𝑝 ≠ 𝑞 ∧ ¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) ↔ (¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞)) |
13 | | df-ne 2943 |
. . . . . . . . . 10
⊢ (𝑝 ≠ 𝑞 ↔ ¬ 𝑝 = 𝑞) |
14 | 13 | anbi1i 623 |
. . . . . . . . 9
⊢ ((𝑝 ≠ 𝑞 ∧ (¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊)) ↔ (¬ 𝑝 = 𝑞 ∧ (¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊))) |
15 | 11, 12, 14 | 3bitr3i 300 |
. . . . . . . 8
⊢ ((¬
𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) ↔ (¬ 𝑝 = 𝑞 ∧ (¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊))) |
16 | 15 | imbi1i 349 |
. . . . . . 7
⊢ (((¬
𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) ↔ ((¬ 𝑝 = 𝑞 ∧ (¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊)) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) |
17 | | impexp 450 |
. . . . . . 7
⊢ (((¬
𝑝 = 𝑞 ∧ (¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊)) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) ↔ (¬ 𝑝 = 𝑞 → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))) |
18 | 16, 17 | bitri 274 |
. . . . . 6
⊢ (((¬
𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) ↔ (¬ 𝑝 = 𝑞 → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))) |
19 | | id 22 |
. . . . . . . . . 10
⊢ (𝑝 = 𝑞 → 𝑝 = 𝑞) |
20 | | fveq2 6756 |
. . . . . . . . . 10
⊢ (𝑝 = 𝑞 → (𝐹‘𝑝) = (𝐹‘𝑞)) |
21 | 19, 20 | oveq12d 7273 |
. . . . . . . . 9
⊢ (𝑝 = 𝑞 → (𝑝 ∨ (𝐹‘𝑝)) = (𝑞 ∨ (𝐹‘𝑞))) |
22 | 21 | oveq1d 7270 |
. . . . . . . 8
⊢ (𝑝 = 𝑞 → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) |
23 | 22 | a1d 25 |
. . . . . . 7
⊢ (𝑝 = 𝑞 → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) |
24 | | pm2.61 191 |
. . . . . . 7
⊢ ((𝑝 = 𝑞 → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) → ((¬ 𝑝 = 𝑞 → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))) |
25 | 23, 24 | ax-mp 5 |
. . . . . 6
⊢ ((¬
𝑝 = 𝑞 → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) |
26 | 18, 25 | sylbi 216 |
. . . . 5
⊢ (((¬
𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) → ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) |
27 | 10, 26 | impbii 208 |
. . . 4
⊢ (((¬
𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) ↔ ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) |
28 | 27 | 2ralbii 3091 |
. . 3
⊢
(∀𝑝 ∈
𝐴 ∀𝑞 ∈ 𝐴 ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)) ↔ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) |
29 | 28 | anbi2i 622 |
. 2
⊢ ((𝐹 ∈ 𝐷 ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))) ↔ (𝐹 ∈ 𝐷 ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊)))) |
30 | 8, 29 | bitrdi 286 |
1
⊢ ((𝐾 ∈ 𝐵 ∧ 𝑊 ∈ 𝐻) → (𝐹 ∈ 𝑇 ↔ (𝐹 ∈ 𝐷 ∧ ∀𝑝 ∈ 𝐴 ∀𝑞 ∈ 𝐴 ((¬ 𝑝 ≤ 𝑊 ∧ ¬ 𝑞 ≤ 𝑊 ∧ 𝑝 ≠ 𝑞) → ((𝑝 ∨ (𝐹‘𝑝)) ∧ 𝑊) = ((𝑞 ∨ (𝐹‘𝑞)) ∧ 𝑊))))) |