Step | Hyp | Ref
| Expression |
1 | | tngbas.t |
. . 3
⊢ 𝑇 = (𝐺 toNrmGrp 𝑁) |
2 | | tngtset.2 |
. . 3
⊢ 𝐷 = (dist‘𝑇) |
3 | | tngtset.3 |
. . 3
⊢ 𝐽 = (MetOpen‘𝐷) |
4 | 1, 2, 3 | tngtset 23813 |
. 2
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 = (TopSet‘𝑇)) |
5 | | df-mopn 20593 |
. . . . . . . . 9
⊢ MetOpen =
(𝑥 ∈ ∪ ran ∞Met ↦ (topGen‘ran
(ball‘𝑥))) |
6 | 5 | dmmptss 6144 |
. . . . . . . 8
⊢ dom
MetOpen ⊆ ∪ ran ∞Met |
7 | 6 | sseli 3917 |
. . . . . . 7
⊢ (𝐷 ∈ dom MetOpen → 𝐷 ∈ ∪ ran ∞Met) |
8 | | eqid 2738 |
. . . . . . . . . . . . . . . . . 18
⊢
(-g‘𝐺) = (-g‘𝐺) |
9 | 1, 8 | tngds 23811 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑁 ∈ 𝑊 → (𝑁 ∘ (-g‘𝐺)) = (dist‘𝑇)) |
10 | 9, 2 | eqtr4di 2796 |
. . . . . . . . . . . . . . . 16
⊢ (𝑁 ∈ 𝑊 → (𝑁 ∘ (-g‘𝐺)) = 𝐷) |
11 | 10 | adantl 482 |
. . . . . . . . . . . . . . 15
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (𝑁 ∘ (-g‘𝐺)) = 𝐷) |
12 | 11 | dmeqd 5814 |
. . . . . . . . . . . . . 14
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → dom (𝑁 ∘ (-g‘𝐺)) = dom 𝐷) |
13 | | dmcoss 5880 |
. . . . . . . . . . . . . . 15
⊢ dom
(𝑁 ∘
(-g‘𝐺))
⊆ dom (-g‘𝐺) |
14 | | eqid 2738 |
. . . . . . . . . . . . . . . . 17
⊢
(Base‘𝐺) =
(Base‘𝐺) |
15 | | eqid 2738 |
. . . . . . . . . . . . . . . . 17
⊢
(+g‘𝐺) = (+g‘𝐺) |
16 | | eqid 2738 |
. . . . . . . . . . . . . . . . 17
⊢
(invg‘𝐺) = (invg‘𝐺) |
17 | 14, 15, 16, 8 | grpsubfval 18623 |
. . . . . . . . . . . . . . . 16
⊢
(-g‘𝐺) = (𝑥 ∈ (Base‘𝐺), 𝑦 ∈ (Base‘𝐺) ↦ (𝑥(+g‘𝐺)((invg‘𝐺)‘𝑦))) |
18 | | ovex 7308 |
. . . . . . . . . . . . . . . 16
⊢ (𝑥(+g‘𝐺)((invg‘𝐺)‘𝑦)) ∈ V |
19 | 17, 18 | dmmpo 7911 |
. . . . . . . . . . . . . . 15
⊢ dom
(-g‘𝐺) =
((Base‘𝐺) ×
(Base‘𝐺)) |
20 | 13, 19 | sseqtri 3957 |
. . . . . . . . . . . . . 14
⊢ dom
(𝑁 ∘
(-g‘𝐺))
⊆ ((Base‘𝐺)
× (Base‘𝐺)) |
21 | 12, 20 | eqsstrrdi 3976 |
. . . . . . . . . . . . 13
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → dom 𝐷 ⊆ ((Base‘𝐺) × (Base‘𝐺))) |
22 | 21 | adantr 481 |
. . . . . . . . . . . 12
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → dom 𝐷
⊆ ((Base‘𝐺)
× (Base‘𝐺))) |
23 | | dmss 5811 |
. . . . . . . . . . . 12
⊢ (dom
𝐷 ⊆
((Base‘𝐺) ×
(Base‘𝐺)) → dom
dom 𝐷 ⊆ dom
((Base‘𝐺) ×
(Base‘𝐺))) |
24 | 22, 23 | syl 17 |
. . . . . . . . . . 11
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → dom dom 𝐷 ⊆ dom ((Base‘𝐺) × (Base‘𝐺))) |
25 | | dmxpid 5839 |
. . . . . . . . . . 11
⊢ dom
((Base‘𝐺) ×
(Base‘𝐺)) =
(Base‘𝐺) |
26 | 24, 25 | sseqtrdi 3971 |
. . . . . . . . . 10
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → dom dom 𝐷 ⊆ (Base‘𝐺)) |
27 | | simpr 485 |
. . . . . . . . . . . 12
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → 𝐷 ∈
∪ ran ∞Met) |
28 | | xmetunirn 23490 |
. . . . . . . . . . . 12
⊢ (𝐷 ∈ ∪ ran ∞Met ↔ 𝐷 ∈ (∞Met‘dom dom 𝐷)) |
29 | 27, 28 | sylib 217 |
. . . . . . . . . . 11
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → 𝐷 ∈
(∞Met‘dom dom 𝐷)) |
30 | | eqid 2738 |
. . . . . . . . . . . 12
⊢
(MetOpen‘𝐷) =
(MetOpen‘𝐷) |
31 | 30 | mopnuni 23594 |
. . . . . . . . . . 11
⊢ (𝐷 ∈ (∞Met‘dom
dom 𝐷) → dom dom 𝐷 = ∪
(MetOpen‘𝐷)) |
32 | 29, 31 | syl 17 |
. . . . . . . . . 10
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → dom dom 𝐷 = ∪
(MetOpen‘𝐷)) |
33 | 1, 14 | tngbas 23798 |
. . . . . . . . . . 11
⊢ (𝑁 ∈ 𝑊 → (Base‘𝐺) = (Base‘𝑇)) |
34 | 33 | ad2antlr 724 |
. . . . . . . . . 10
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → (Base‘𝐺) = (Base‘𝑇)) |
35 | 26, 32, 34 | 3sstr3d 3967 |
. . . . . . . . 9
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → ∪ (MetOpen‘𝐷) ⊆ (Base‘𝑇)) |
36 | | sspwuni 5029 |
. . . . . . . . 9
⊢
((MetOpen‘𝐷)
⊆ 𝒫 (Base‘𝑇) ↔ ∪
(MetOpen‘𝐷) ⊆
(Base‘𝑇)) |
37 | 35, 36 | sylibr 233 |
. . . . . . . 8
⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran
∞Met) → (MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇)) |
38 | 37 | ex 413 |
. . . . . . 7
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (𝐷 ∈ ∪ ran
∞Met → (MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇))) |
39 | 7, 38 | syl5 34 |
. . . . . 6
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (𝐷 ∈ dom MetOpen →
(MetOpen‘𝐷) ⊆
𝒫 (Base‘𝑇))) |
40 | | ndmfv 6804 |
. . . . . . 7
⊢ (¬
𝐷 ∈ dom MetOpen →
(MetOpen‘𝐷) =
∅) |
41 | | 0ss 4330 |
. . . . . . 7
⊢ ∅
⊆ 𝒫 (Base‘𝑇) |
42 | 40, 41 | eqsstrdi 3975 |
. . . . . 6
⊢ (¬
𝐷 ∈ dom MetOpen →
(MetOpen‘𝐷) ⊆
𝒫 (Base‘𝑇)) |
43 | 39, 42 | pm2.61d1 180 |
. . . . 5
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇)) |
44 | 3, 43 | eqsstrid 3969 |
. . . 4
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 ⊆ 𝒫 (Base‘𝑇)) |
45 | 4, 44 | eqsstrrd 3960 |
. . 3
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (TopSet‘𝑇) ⊆ 𝒫 (Base‘𝑇)) |
46 | | eqid 2738 |
. . . 4
⊢
(Base‘𝑇) =
(Base‘𝑇) |
47 | | eqid 2738 |
. . . 4
⊢
(TopSet‘𝑇) =
(TopSet‘𝑇) |
48 | 46, 47 | topnid 17146 |
. . 3
⊢
((TopSet‘𝑇)
⊆ 𝒫 (Base‘𝑇) → (TopSet‘𝑇) = (TopOpen‘𝑇)) |
49 | 45, 48 | syl 17 |
. 2
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (TopSet‘𝑇) = (TopOpen‘𝑇)) |
50 | 4, 49 | eqtrd 2778 |
1
⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 = (TopOpen‘𝑇)) |