Proof of Theorem dihmeetlem3N
Step | Hyp | Ref
| Expression |
1 | | simp2lr 1239 |
. 2
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌)) → ¬ 𝑄 ≤ 𝑊) |
2 | | oveq1 7262 |
. . . . . . 7
⊢ (𝑄 = 𝑅 → (𝑄 ∨ (𝑌 ∧ 𝑊)) = (𝑅 ∨ (𝑌 ∧ 𝑊))) |
3 | | simpr 484 |
. . . . . . 7
⊢ (((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌) |
4 | 2, 3 | sylan9eqr 2801 |
. . . . . 6
⊢ ((((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌) ∧ 𝑄 = 𝑅) → (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) |
5 | | dihmeetlem3.b |
. . . . . . . 8
⊢ 𝐵 = (Base‘𝐾) |
6 | | dihmeetlem3.l |
. . . . . . . 8
⊢ ≤ =
(le‘𝐾) |
7 | | simp11l 1282 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝐾 ∈ HL) |
8 | 7 | hllatd 37305 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝐾 ∈ Lat) |
9 | | simp2ll 1238 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑄 ∈ 𝐴) |
10 | | dihmeetlem3.a |
. . . . . . . . . 10
⊢ 𝐴 = (Atoms‘𝐾) |
11 | 5, 10 | atbase 37230 |
. . . . . . . . 9
⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ 𝐵) |
12 | 9, 11 | syl 17 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑄 ∈ 𝐵) |
13 | | simp12l 1284 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑋 ∈ 𝐵) |
14 | | simp12r 1285 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑌 ∈ 𝐵) |
15 | | dihmeetlem3.m |
. . . . . . . . . 10
⊢ ∧ =
(meet‘𝐾) |
16 | 5, 15 | latmcl 18073 |
. . . . . . . . 9
⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 ∧ 𝑌) ∈ 𝐵) |
17 | 8, 13, 14, 16 | syl3anc 1369 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → (𝑋 ∧ 𝑌) ∈ 𝐵) |
18 | | simp11r 1283 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑊 ∈ 𝐻) |
19 | | dihmeetlem3.h |
. . . . . . . . . 10
⊢ 𝐻 = (LHyp‘𝐾) |
20 | 5, 19 | lhpbase 37939 |
. . . . . . . . 9
⊢ (𝑊 ∈ 𝐻 → 𝑊 ∈ 𝐵) |
21 | 18, 20 | syl 17 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑊 ∈ 𝐵) |
22 | 5, 15 | latmcl 18073 |
. . . . . . . . . . . 12
⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑋 ∧ 𝑊) ∈ 𝐵) |
23 | 8, 13, 21, 22 | syl3anc 1369 |
. . . . . . . . . . 11
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → (𝑋 ∧ 𝑊) ∈ 𝐵) |
24 | | dihmeetlem3.j |
. . . . . . . . . . . 12
⊢ ∨ =
(join‘𝐾) |
25 | 5, 6, 24 | latlej1 18081 |
. . . . . . . . . . 11
⊢ ((𝐾 ∈ Lat ∧ 𝑄 ∈ 𝐵 ∧ (𝑋 ∧ 𝑊) ∈ 𝐵) → 𝑄 ≤ (𝑄 ∨ (𝑋 ∧ 𝑊))) |
26 | 8, 12, 23, 25 | syl3anc 1369 |
. . . . . . . . . 10
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑄 ≤ (𝑄 ∨ (𝑋 ∧ 𝑊))) |
27 | | simp2r 1198 |
. . . . . . . . . 10
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) |
28 | 26, 27 | breqtrd 5096 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑄 ≤ 𝑋) |
29 | 5, 15 | latmcl 18073 |
. . . . . . . . . . . 12
⊢ ((𝐾 ∈ Lat ∧ 𝑌 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑌 ∧ 𝑊) ∈ 𝐵) |
30 | 8, 14, 21, 29 | syl3anc 1369 |
. . . . . . . . . . 11
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → (𝑌 ∧ 𝑊) ∈ 𝐵) |
31 | 5, 6, 24 | latlej1 18081 |
. . . . . . . . . . 11
⊢ ((𝐾 ∈ Lat ∧ 𝑄 ∈ 𝐵 ∧ (𝑌 ∧ 𝑊) ∈ 𝐵) → 𝑄 ≤ (𝑄 ∨ (𝑌 ∧ 𝑊))) |
32 | 8, 12, 30, 31 | syl3anc 1369 |
. . . . . . . . . 10
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑄 ≤ (𝑄 ∨ (𝑌 ∧ 𝑊))) |
33 | | simp3 1136 |
. . . . . . . . . 10
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) |
34 | 32, 33 | breqtrd 5096 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑄 ≤ 𝑌) |
35 | 5, 6, 15 | latlem12 18099 |
. . . . . . . . . 10
⊢ ((𝐾 ∈ Lat ∧ (𝑄 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → ((𝑄 ≤ 𝑋 ∧ 𝑄 ≤ 𝑌) ↔ 𝑄 ≤ (𝑋 ∧ 𝑌))) |
36 | 8, 12, 13, 14, 35 | syl13anc 1370 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → ((𝑄 ≤ 𝑋 ∧ 𝑄 ≤ 𝑌) ↔ 𝑄 ≤ (𝑋 ∧ 𝑌))) |
37 | 28, 34, 36 | mpbi2and 708 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑄 ≤ (𝑋 ∧ 𝑌)) |
38 | | simp13 1203 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → (𝑋 ∧ 𝑌) ≤ 𝑊) |
39 | 5, 6, 8, 12, 17, 21, 37, 38 | lattrd 18079 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ (𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → 𝑄 ≤ 𝑊) |
40 | 39 | 3exp 1117 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) → (((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) → ((𝑄 ∨ (𝑌 ∧ 𝑊)) = 𝑌 → 𝑄 ≤ 𝑊))) |
41 | 4, 40 | syl7 74 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) → (((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) → ((((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌) ∧ 𝑄 = 𝑅) → 𝑄 ≤ 𝑊))) |
42 | 41 | exp4a 431 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) → (((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) → (((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌) → (𝑄 = 𝑅 → 𝑄 ≤ 𝑊)))) |
43 | 42 | 3imp 1109 |
. . 3
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌)) → (𝑄 = 𝑅 → 𝑄 ≤ 𝑊)) |
44 | 43 | necon3bd 2956 |
. 2
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌)) → (¬ 𝑄 ≤ 𝑊 → 𝑄 ≠ 𝑅)) |
45 | 1, 44 | mpd 15 |
1
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑋 ∧ 𝑌) ≤ 𝑊) ∧ ((𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊) ∧ (𝑄 ∨ (𝑋 ∧ 𝑊)) = 𝑋) ∧ ((𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊) ∧ (𝑅 ∨ (𝑌 ∧ 𝑊)) = 𝑌)) → 𝑄 ≠ 𝑅) |