Step | Hyp | Ref
| Expression |
1 | | dibintcl.h |
. . . . . . . 8
⊢ 𝐻 = (LHyp‘𝐾) |
2 | | dibintcl.i |
. . . . . . . 8
⊢ 𝐼 = ((DIsoB‘𝐾)‘𝑊) |
3 | 1, 2 | dibf11N 38798 |
. . . . . . 7
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → 𝐼:dom 𝐼–1-1-onto→ran
𝐼) |
4 | 3 | adantr 484 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → 𝐼:dom 𝐼–1-1-onto→ran
𝐼) |
5 | | f1ofn 6619 |
. . . . . 6
⊢ (𝐼:dom 𝐼–1-1-onto→ran
𝐼 → 𝐼 Fn dom 𝐼) |
6 | 4, 5 | syl 17 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → 𝐼 Fn dom 𝐼) |
7 | | cnvimass 5923 |
. . . . 5
⊢ (◡𝐼 “ 𝑆) ⊆ dom 𝐼 |
8 | | fnssres 6459 |
. . . . 5
⊢ ((𝐼 Fn dom 𝐼 ∧ (◡𝐼 “ 𝑆) ⊆ dom 𝐼) → (𝐼 ↾ (◡𝐼 “ 𝑆)) Fn (◡𝐼 “ 𝑆)) |
9 | 6, 7, 8 | sylancl 589 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (𝐼 ↾ (◡𝐼 “ 𝑆)) Fn (◡𝐼 “ 𝑆)) |
10 | | fniinfv 6746 |
. . . 4
⊢ ((𝐼 ↾ (◡𝐼 “ 𝑆)) Fn (◡𝐼 “ 𝑆) → ∩
𝑦 ∈ (◡𝐼 “ 𝑆)((𝐼 ↾ (◡𝐼 “ 𝑆))‘𝑦) = ∩ ran (𝐼 ↾ (◡𝐼 “ 𝑆))) |
11 | 9, 10 | syl 17 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ∩ 𝑦 ∈ (◡𝐼 “ 𝑆)((𝐼 ↾ (◡𝐼 “ 𝑆))‘𝑦) = ∩ ran (𝐼 ↾ (◡𝐼 “ 𝑆))) |
12 | | df-ima 5538 |
. . . . 5
⊢ (𝐼 “ (◡𝐼 “ 𝑆)) = ran (𝐼 ↾ (◡𝐼 “ 𝑆)) |
13 | | f1ofo 6625 |
. . . . . . . 8
⊢ (𝐼:dom 𝐼–1-1-onto→ran
𝐼 → 𝐼:dom 𝐼–onto→ran 𝐼) |
14 | 3, 13 | syl 17 |
. . . . . . 7
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → 𝐼:dom 𝐼–onto→ran 𝐼) |
15 | 14 | adantr 484 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → 𝐼:dom 𝐼–onto→ran 𝐼) |
16 | | simprl 771 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → 𝑆 ⊆ ran 𝐼) |
17 | | foimacnv 6635 |
. . . . . 6
⊢ ((𝐼:dom 𝐼–onto→ran 𝐼 ∧ 𝑆 ⊆ ran 𝐼) → (𝐼 “ (◡𝐼 “ 𝑆)) = 𝑆) |
18 | 15, 16, 17 | syl2anc 587 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (𝐼 “ (◡𝐼 “ 𝑆)) = 𝑆) |
19 | 12, 18 | eqtr3id 2787 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ran (𝐼 ↾ (◡𝐼 “ 𝑆)) = 𝑆) |
20 | 19 | inteqd 4841 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ∩ ran (𝐼 ↾ (◡𝐼 “ 𝑆)) = ∩ 𝑆) |
21 | 11, 20 | eqtrd 2773 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ∩ 𝑦 ∈ (◡𝐼 “ 𝑆)((𝐼 ↾ (◡𝐼 “ 𝑆))‘𝑦) = ∩ 𝑆) |
22 | | simpl 486 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻)) |
23 | 7 | a1i 11 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (◡𝐼 “ 𝑆) ⊆ dom 𝐼) |
24 | | simprr 773 |
. . . . . . 7
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → 𝑆 ≠ ∅) |
25 | | n0 4235 |
. . . . . . 7
⊢ (𝑆 ≠ ∅ ↔
∃𝑦 𝑦 ∈ 𝑆) |
26 | 24, 25 | sylib 221 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ∃𝑦 𝑦 ∈ 𝑆) |
27 | 16 | sselda 3877 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ 𝑆) → 𝑦 ∈ ran 𝐼) |
28 | 3 | ad2antrr 726 |
. . . . . . . . . 10
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ 𝑆) → 𝐼:dom 𝐼–1-1-onto→ran
𝐼) |
29 | 28, 5 | syl 17 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ 𝑆) → 𝐼 Fn dom 𝐼) |
30 | | fvelrnb 6730 |
. . . . . . . . 9
⊢ (𝐼 Fn dom 𝐼 → (𝑦 ∈ ran 𝐼 ↔ ∃𝑥 ∈ dom 𝐼(𝐼‘𝑥) = 𝑦)) |
31 | 29, 30 | syl 17 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ 𝑆) → (𝑦 ∈ ran 𝐼 ↔ ∃𝑥 ∈ dom 𝐼(𝐼‘𝑥) = 𝑦)) |
32 | 27, 31 | mpbid 235 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ 𝑆) → ∃𝑥 ∈ dom 𝐼(𝐼‘𝑥) = 𝑦) |
33 | | f1ofun 6620 |
. . . . . . . . . . . . . . . 16
⊢ (𝐼:dom 𝐼–1-1-onto→ran
𝐼 → Fun 𝐼) |
34 | 3, 33 | syl 17 |
. . . . . . . . . . . . . . 15
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → Fun 𝐼) |
35 | 34 | adantr 484 |
. . . . . . . . . . . . . 14
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → Fun 𝐼) |
36 | | fvimacnv 6830 |
. . . . . . . . . . . . . 14
⊢ ((Fun
𝐼 ∧ 𝑥 ∈ dom 𝐼) → ((𝐼‘𝑥) ∈ 𝑆 ↔ 𝑥 ∈ (◡𝐼 “ 𝑆))) |
37 | 35, 36 | sylan 583 |
. . . . . . . . . . . . 13
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑥 ∈ dom 𝐼) → ((𝐼‘𝑥) ∈ 𝑆 ↔ 𝑥 ∈ (◡𝐼 “ 𝑆))) |
38 | | ne0i 4223 |
. . . . . . . . . . . . 13
⊢ (𝑥 ∈ (◡𝐼 “ 𝑆) → (◡𝐼 “ 𝑆) ≠ ∅) |
39 | 37, 38 | syl6bi 256 |
. . . . . . . . . . . 12
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑥 ∈ dom 𝐼) → ((𝐼‘𝑥) ∈ 𝑆 → (◡𝐼 “ 𝑆) ≠ ∅)) |
40 | 39 | ex 416 |
. . . . . . . . . . 11
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (𝑥 ∈ dom 𝐼 → ((𝐼‘𝑥) ∈ 𝑆 → (◡𝐼 “ 𝑆) ≠ ∅))) |
41 | | eleq1 2820 |
. . . . . . . . . . . . 13
⊢ ((𝐼‘𝑥) = 𝑦 → ((𝐼‘𝑥) ∈ 𝑆 ↔ 𝑦 ∈ 𝑆)) |
42 | 41 | biimprd 251 |
. . . . . . . . . . . 12
⊢ ((𝐼‘𝑥) = 𝑦 → (𝑦 ∈ 𝑆 → (𝐼‘𝑥) ∈ 𝑆)) |
43 | 42 | imim1d 82 |
. . . . . . . . . . 11
⊢ ((𝐼‘𝑥) = 𝑦 → (((𝐼‘𝑥) ∈ 𝑆 → (◡𝐼 “ 𝑆) ≠ ∅) → (𝑦 ∈ 𝑆 → (◡𝐼 “ 𝑆) ≠ ∅))) |
44 | 40, 43 | syl9 77 |
. . . . . . . . . 10
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ((𝐼‘𝑥) = 𝑦 → (𝑥 ∈ dom 𝐼 → (𝑦 ∈ 𝑆 → (◡𝐼 “ 𝑆) ≠ ∅)))) |
45 | 44 | com24 95 |
. . . . . . . . 9
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (𝑦 ∈ 𝑆 → (𝑥 ∈ dom 𝐼 → ((𝐼‘𝑥) = 𝑦 → (◡𝐼 “ 𝑆) ≠ ∅)))) |
46 | 45 | imp 410 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ 𝑆) → (𝑥 ∈ dom 𝐼 → ((𝐼‘𝑥) = 𝑦 → (◡𝐼 “ 𝑆) ≠ ∅))) |
47 | 46 | rexlimdv 3193 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ 𝑆) → (∃𝑥 ∈ dom 𝐼(𝐼‘𝑥) = 𝑦 → (◡𝐼 “ 𝑆) ≠ ∅)) |
48 | 32, 47 | mpd 15 |
. . . . . 6
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ 𝑆) → (◡𝐼 “ 𝑆) ≠ ∅) |
49 | 26, 48 | exlimddv 1942 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (◡𝐼 “ 𝑆) ≠ ∅) |
50 | | eqid 2738 |
. . . . . 6
⊢
(glb‘𝐾) =
(glb‘𝐾) |
51 | 50, 1, 2 | dibglbN 38803 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((◡𝐼 “ 𝑆) ⊆ dom 𝐼 ∧ (◡𝐼 “ 𝑆) ≠ ∅)) → (𝐼‘((glb‘𝐾)‘(◡𝐼 “ 𝑆))) = ∩
𝑦 ∈ (◡𝐼 “ 𝑆)(𝐼‘𝑦)) |
52 | 22, 23, 49, 51 | syl12anc 836 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (𝐼‘((glb‘𝐾)‘(◡𝐼 “ 𝑆))) = ∩
𝑦 ∈ (◡𝐼 “ 𝑆)(𝐼‘𝑦)) |
53 | | fvres 6693 |
. . . . 5
⊢ (𝑦 ∈ (◡𝐼 “ 𝑆) → ((𝐼 ↾ (◡𝐼 “ 𝑆))‘𝑦) = (𝐼‘𝑦)) |
54 | 53 | iineq2i 4903 |
. . . 4
⊢ ∩ 𝑦 ∈ (◡𝐼 “ 𝑆)((𝐼 ↾ (◡𝐼 “ 𝑆))‘𝑦) = ∩ 𝑦 ∈ (◡𝐼 “ 𝑆)(𝐼‘𝑦) |
55 | 52, 54 | eqtr4di 2791 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (𝐼‘((glb‘𝐾)‘(◡𝐼 “ 𝑆))) = ∩
𝑦 ∈ (◡𝐼 “ 𝑆)((𝐼 ↾ (◡𝐼 “ 𝑆))‘𝑦)) |
56 | | hlclat 36995 |
. . . . . . 7
⊢ (𝐾 ∈ HL → 𝐾 ∈ CLat) |
57 | 56 | ad2antrr 726 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → 𝐾 ∈ CLat) |
58 | | eqid 2738 |
. . . . . . . . . 10
⊢
(Base‘𝐾) =
(Base‘𝐾) |
59 | | eqid 2738 |
. . . . . . . . . 10
⊢
(le‘𝐾) =
(le‘𝐾) |
60 | 58, 59, 1, 2 | dibdmN 38794 |
. . . . . . . . 9
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → dom 𝐼 = {𝑥 ∈ (Base‘𝐾) ∣ 𝑥(le‘𝐾)𝑊}) |
61 | | ssrab2 3969 |
. . . . . . . . 9
⊢ {𝑥 ∈ (Base‘𝐾) ∣ 𝑥(le‘𝐾)𝑊} ⊆ (Base‘𝐾) |
62 | 60, 61 | eqsstrdi 3931 |
. . . . . . . 8
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → dom 𝐼 ⊆ (Base‘𝐾)) |
63 | 62 | adantr 484 |
. . . . . . 7
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → dom 𝐼 ⊆ (Base‘𝐾)) |
64 | 7, 63 | sstrid 3888 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (◡𝐼 “ 𝑆) ⊆ (Base‘𝐾)) |
65 | 58, 50 | clatglbcl 17840 |
. . . . . 6
⊢ ((𝐾 ∈ CLat ∧ (◡𝐼 “ 𝑆) ⊆ (Base‘𝐾)) → ((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ (Base‘𝐾)) |
66 | 57, 64, 65 | syl2anc 587 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ (Base‘𝐾)) |
67 | | n0 4235 |
. . . . . . 7
⊢ ((◡𝐼 “ 𝑆) ≠ ∅ ↔ ∃𝑦 𝑦 ∈ (◡𝐼 “ 𝑆)) |
68 | 49, 67 | sylib 221 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ∃𝑦 𝑦 ∈ (◡𝐼 “ 𝑆)) |
69 | | hllat 37000 |
. . . . . . . 8
⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat) |
70 | 69 | ad3antrrr 730 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → 𝐾 ∈ Lat) |
71 | 66 | adantr 484 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → ((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ (Base‘𝐾)) |
72 | 64 | sselda 3877 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → 𝑦 ∈ (Base‘𝐾)) |
73 | 58, 1 | lhpbase 37635 |
. . . . . . . 8
⊢ (𝑊 ∈ 𝐻 → 𝑊 ∈ (Base‘𝐾)) |
74 | 73 | ad3antlr 731 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → 𝑊 ∈ (Base‘𝐾)) |
75 | 56 | ad3antrrr 730 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → 𝐾 ∈ CLat) |
76 | 60 | adantr 484 |
. . . . . . . . . . 11
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → dom 𝐼 = {𝑥 ∈ (Base‘𝐾) ∣ 𝑥(le‘𝐾)𝑊}) |
77 | 7, 76 | sseqtrid 3929 |
. . . . . . . . . 10
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (◡𝐼 “ 𝑆) ⊆ {𝑥 ∈ (Base‘𝐾) ∣ 𝑥(le‘𝐾)𝑊}) |
78 | 77, 61 | sstrdi 3889 |
. . . . . . . . 9
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (◡𝐼 “ 𝑆) ⊆ (Base‘𝐾)) |
79 | 78 | adantr 484 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → (◡𝐼 “ 𝑆) ⊆ (Base‘𝐾)) |
80 | | simpr 488 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → 𝑦 ∈ (◡𝐼 “ 𝑆)) |
81 | 58, 59, 50 | clatglble 17851 |
. . . . . . . 8
⊢ ((𝐾 ∈ CLat ∧ (◡𝐼 “ 𝑆) ⊆ (Base‘𝐾) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → ((glb‘𝐾)‘(◡𝐼 “ 𝑆))(le‘𝐾)𝑦) |
82 | 75, 79, 80, 81 | syl3anc 1372 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → ((glb‘𝐾)‘(◡𝐼 “ 𝑆))(le‘𝐾)𝑦) |
83 | 7 | sseli 3873 |
. . . . . . . . . 10
⊢ (𝑦 ∈ (◡𝐼 “ 𝑆) → 𝑦 ∈ dom 𝐼) |
84 | 83 | adantl 485 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → 𝑦 ∈ dom 𝐼) |
85 | 58, 59, 1, 2 | dibeldmN 38795 |
. . . . . . . . . 10
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (𝑦 ∈ dom 𝐼 ↔ (𝑦 ∈ (Base‘𝐾) ∧ 𝑦(le‘𝐾)𝑊))) |
86 | 85 | ad2antrr 726 |
. . . . . . . . 9
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → (𝑦 ∈ dom 𝐼 ↔ (𝑦 ∈ (Base‘𝐾) ∧ 𝑦(le‘𝐾)𝑊))) |
87 | 84, 86 | mpbid 235 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → (𝑦 ∈ (Base‘𝐾) ∧ 𝑦(le‘𝐾)𝑊)) |
88 | 87 | simprd 499 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → 𝑦(le‘𝐾)𝑊) |
89 | 58, 59, 70, 71, 72, 74, 82, 88 | lattrd 17784 |
. . . . . 6
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) ∧ 𝑦 ∈ (◡𝐼 “ 𝑆)) → ((glb‘𝐾)‘(◡𝐼 “ 𝑆))(le‘𝐾)𝑊) |
90 | 68, 89 | exlimddv 1942 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ((glb‘𝐾)‘(◡𝐼 “ 𝑆))(le‘𝐾)𝑊) |
91 | 58, 59, 1, 2 | dibeldmN 38795 |
. . . . . 6
⊢ ((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) → (((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ dom 𝐼 ↔ (((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ (Base‘𝐾) ∧ ((glb‘𝐾)‘(◡𝐼 “ 𝑆))(le‘𝐾)𝑊))) |
92 | 91 | adantr 484 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ dom 𝐼 ↔ (((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ (Base‘𝐾) ∧ ((glb‘𝐾)‘(◡𝐼 “ 𝑆))(le‘𝐾)𝑊))) |
93 | 66, 90, 92 | mpbir2and 713 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ dom 𝐼) |
94 | 1, 2 | dibclN 38799 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ ((glb‘𝐾)‘(◡𝐼 “ 𝑆)) ∈ dom 𝐼) → (𝐼‘((glb‘𝐾)‘(◡𝐼 “ 𝑆))) ∈ ran 𝐼) |
95 | 93, 94 | syldan 594 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → (𝐼‘((glb‘𝐾)‘(◡𝐼 “ 𝑆))) ∈ ran 𝐼) |
96 | 55, 95 | eqeltrrd 2834 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ∩ 𝑦 ∈ (◡𝐼 “ 𝑆)((𝐼 ↾ (◡𝐼 “ 𝑆))‘𝑦) ∈ ran 𝐼) |
97 | 21, 96 | eqeltrrd 2834 |
1
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑆 ⊆ ran 𝐼 ∧ 𝑆 ≠ ∅)) → ∩ 𝑆
∈ ran 𝐼) |