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Mirrors > Home > MPE Home > Th. List > setsmstopn | Structured version Visualization version GIF version |
Description: The topology of a constructed metric space. (Contributed by Mario Carneiro, 28-Aug-2015.) |
Ref | Expression |
---|---|
setsms.x | ⊢ (𝜑 → 𝑋 = (Base‘𝑀)) |
setsms.d | ⊢ (𝜑 → 𝐷 = ((dist‘𝑀) ↾ (𝑋 × 𝑋))) |
setsms.k | ⊢ (𝜑 → 𝐾 = (𝑀 sSet 〈(TopSet‘ndx), (MetOpen‘𝐷)〉)) |
setsms.m | ⊢ (𝜑 → 𝑀 ∈ 𝑉) |
Ref | Expression |
---|---|
setsmstopn | ⊢ (𝜑 → (MetOpen‘𝐷) = (TopOpen‘𝐾)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | setsms.x | . . 3 ⊢ (𝜑 → 𝑋 = (Base‘𝑀)) | |
2 | setsms.d | . . 3 ⊢ (𝜑 → 𝐷 = ((dist‘𝑀) ↾ (𝑋 × 𝑋))) | |
3 | setsms.k | . . 3 ⊢ (𝜑 → 𝐾 = (𝑀 sSet 〈(TopSet‘ndx), (MetOpen‘𝐷)〉)) | |
4 | setsms.m | . . 3 ⊢ (𝜑 → 𝑀 ∈ 𝑉) | |
5 | 1, 2, 3, 4 | setsmstset 23087 | . 2 ⊢ (𝜑 → (MetOpen‘𝐷) = (TopSet‘𝐾)) |
6 | df-mopn 20541 | . . . . . . . 8 ⊢ MetOpen = (𝑥 ∈ ∪ ran ∞Met ↦ (topGen‘ran (ball‘𝑥))) | |
7 | 6 | dmmptss 6095 | . . . . . . 7 ⊢ dom MetOpen ⊆ ∪ ran ∞Met |
8 | 7 | sseli 3963 | . . . . . 6 ⊢ (𝐷 ∈ dom MetOpen → 𝐷 ∈ ∪ ran ∞Met) |
9 | simpr 487 | . . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝐷 ∈ ∪ ran ∞Met) → 𝐷 ∈ ∪ ran ∞Met) | |
10 | xmetunirn 22947 | . . . . . . . . . . 11 ⊢ (𝐷 ∈ ∪ ran ∞Met ↔ 𝐷 ∈ (∞Met‘dom dom 𝐷)) | |
11 | 9, 10 | sylib 220 | . . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝐷 ∈ ∪ ran ∞Met) → 𝐷 ∈ (∞Met‘dom dom 𝐷)) |
12 | eqid 2821 | . . . . . . . . . . 11 ⊢ (MetOpen‘𝐷) = (MetOpen‘𝐷) | |
13 | 12 | mopnuni 23051 | . . . . . . . . . 10 ⊢ (𝐷 ∈ (∞Met‘dom dom 𝐷) → dom dom 𝐷 = ∪ (MetOpen‘𝐷)) |
14 | 11, 13 | syl 17 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝐷 ∈ ∪ ran ∞Met) → dom dom 𝐷 = ∪ (MetOpen‘𝐷)) |
15 | 2 | dmeqd 5774 | . . . . . . . . . . . . . 14 ⊢ (𝜑 → dom 𝐷 = dom ((dist‘𝑀) ↾ (𝑋 × 𝑋))) |
16 | dmres 5875 | . . . . . . . . . . . . . 14 ⊢ dom ((dist‘𝑀) ↾ (𝑋 × 𝑋)) = ((𝑋 × 𝑋) ∩ dom (dist‘𝑀)) | |
17 | 15, 16 | syl6eq 2872 | . . . . . . . . . . . . 13 ⊢ (𝜑 → dom 𝐷 = ((𝑋 × 𝑋) ∩ dom (dist‘𝑀))) |
18 | inss1 4205 | . . . . . . . . . . . . 13 ⊢ ((𝑋 × 𝑋) ∩ dom (dist‘𝑀)) ⊆ (𝑋 × 𝑋) | |
19 | 17, 18 | eqsstrdi 4021 | . . . . . . . . . . . 12 ⊢ (𝜑 → dom 𝐷 ⊆ (𝑋 × 𝑋)) |
20 | dmss 5771 | . . . . . . . . . . . 12 ⊢ (dom 𝐷 ⊆ (𝑋 × 𝑋) → dom dom 𝐷 ⊆ dom (𝑋 × 𝑋)) | |
21 | 19, 20 | syl 17 | . . . . . . . . . . 11 ⊢ (𝜑 → dom dom 𝐷 ⊆ dom (𝑋 × 𝑋)) |
22 | dmxpid 5800 | . . . . . . . . . . 11 ⊢ dom (𝑋 × 𝑋) = 𝑋 | |
23 | 21, 22 | sseqtrdi 4017 | . . . . . . . . . 10 ⊢ (𝜑 → dom dom 𝐷 ⊆ 𝑋) |
24 | 23 | adantr 483 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝐷 ∈ ∪ ran ∞Met) → dom dom 𝐷 ⊆ 𝑋) |
25 | 14, 24 | eqsstrrd 4006 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝐷 ∈ ∪ ran ∞Met) → ∪ (MetOpen‘𝐷) ⊆ 𝑋) |
26 | sspwuni 5022 | . . . . . . . 8 ⊢ ((MetOpen‘𝐷) ⊆ 𝒫 𝑋 ↔ ∪ (MetOpen‘𝐷) ⊆ 𝑋) | |
27 | 25, 26 | sylibr 236 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐷 ∈ ∪ ran ∞Met) → (MetOpen‘𝐷) ⊆ 𝒫 𝑋) |
28 | 27 | ex 415 | . . . . . 6 ⊢ (𝜑 → (𝐷 ∈ ∪ ran ∞Met → (MetOpen‘𝐷) ⊆ 𝒫 𝑋)) |
29 | 8, 28 | syl5 34 | . . . . 5 ⊢ (𝜑 → (𝐷 ∈ dom MetOpen → (MetOpen‘𝐷) ⊆ 𝒫 𝑋)) |
30 | ndmfv 6700 | . . . . . 6 ⊢ (¬ 𝐷 ∈ dom MetOpen → (MetOpen‘𝐷) = ∅) | |
31 | 0ss 4350 | . . . . . 6 ⊢ ∅ ⊆ 𝒫 𝑋 | |
32 | 30, 31 | eqsstrdi 4021 | . . . . 5 ⊢ (¬ 𝐷 ∈ dom MetOpen → (MetOpen‘𝐷) ⊆ 𝒫 𝑋) |
33 | 29, 32 | pm2.61d1 182 | . . . 4 ⊢ (𝜑 → (MetOpen‘𝐷) ⊆ 𝒫 𝑋) |
34 | 1, 2, 3 | setsmsbas 23085 | . . . . 5 ⊢ (𝜑 → 𝑋 = (Base‘𝐾)) |
35 | 34 | pweqd 4558 | . . . 4 ⊢ (𝜑 → 𝒫 𝑋 = 𝒫 (Base‘𝐾)) |
36 | 33, 5, 35 | 3sstr3d 4013 | . . 3 ⊢ (𝜑 → (TopSet‘𝐾) ⊆ 𝒫 (Base‘𝐾)) |
37 | eqid 2821 | . . . 4 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
38 | eqid 2821 | . . . 4 ⊢ (TopSet‘𝐾) = (TopSet‘𝐾) | |
39 | 37, 38 | topnid 16709 | . . 3 ⊢ ((TopSet‘𝐾) ⊆ 𝒫 (Base‘𝐾) → (TopSet‘𝐾) = (TopOpen‘𝐾)) |
40 | 36, 39 | syl 17 | . 2 ⊢ (𝜑 → (TopSet‘𝐾) = (TopOpen‘𝐾)) |
41 | 5, 40 | eqtrd 2856 | 1 ⊢ (𝜑 → (MetOpen‘𝐷) = (TopOpen‘𝐾)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ∩ cin 3935 ⊆ wss 3936 ∅c0 4291 𝒫 cpw 4539 〈cop 4573 ∪ cuni 4838 × cxp 5553 dom cdm 5555 ran crn 5556 ↾ cres 5557 ‘cfv 6355 (class class class)co 7156 ndxcnx 16480 sSet csts 16481 Basecbs 16483 TopSetcts 16571 distcds 16574 TopOpenctopn 16695 topGenctg 16711 ∞Metcxmet 20530 ballcbl 20532 MetOpencmopn 20535 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 ax-pre-sup 10615 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-map 8408 df-en 8510 df-dom 8511 df-sdom 8512 df-sup 8906 df-inf 8907 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-div 11298 df-nn 11639 df-2 11701 df-3 11702 df-4 11703 df-5 11704 df-6 11705 df-7 11706 df-8 11707 df-9 11708 df-n0 11899 df-z 11983 df-uz 12245 df-q 12350 df-rp 12391 df-xneg 12508 df-xadd 12509 df-xmul 12510 df-ndx 16486 df-slot 16487 df-base 16489 df-sets 16490 df-tset 16584 df-rest 16696 df-topn 16697 df-topgen 16717 df-psmet 20537 df-xmet 20538 df-bl 20540 df-mopn 20541 df-top 21502 df-topon 21519 df-bases 21554 |
This theorem is referenced by: setsxms 23089 tmslem 23092 |
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