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Mirrors > Home > MPE Home > Th. List > ressust | Structured version Visualization version GIF version |
Description: The uniform structure of a restricted space. (Contributed by Thierry Arnoux, 22-Jan-2018.) |
Ref | Expression |
---|---|
ressust.x | ⊢ 𝑋 = (Base‘𝑊) |
ressust.t | ⊢ 𝑇 = (UnifSt‘(𝑊 ↾s 𝐴)) |
Ref | Expression |
---|---|
ressust | ⊢ ((𝑊 ∈ UnifSp ∧ 𝐴 ⊆ 𝑋) → 𝑇 ∈ (UnifOn‘𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ressust.t | . . 3 ⊢ 𝑇 = (UnifSt‘(𝑊 ↾s 𝐴)) | |
2 | ressust.x | . . . . . . 7 ⊢ 𝑋 = (Base‘𝑊) | |
3 | 2 | fvexi 6788 | . . . . . 6 ⊢ 𝑋 ∈ V |
4 | 3 | ssex 5245 | . . . . 5 ⊢ (𝐴 ⊆ 𝑋 → 𝐴 ∈ V) |
5 | 4 | adantl 482 | . . . 4 ⊢ ((𝑊 ∈ UnifSp ∧ 𝐴 ⊆ 𝑋) → 𝐴 ∈ V) |
6 | ressuss 23414 | . . . 4 ⊢ (𝐴 ∈ V → (UnifSt‘(𝑊 ↾s 𝐴)) = ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴))) | |
7 | 5, 6 | syl 17 | . . 3 ⊢ ((𝑊 ∈ UnifSp ∧ 𝐴 ⊆ 𝑋) → (UnifSt‘(𝑊 ↾s 𝐴)) = ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴))) |
8 | 1, 7 | eqtrid 2790 | . 2 ⊢ ((𝑊 ∈ UnifSp ∧ 𝐴 ⊆ 𝑋) → 𝑇 = ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴))) |
9 | eqid 2738 | . . . . 5 ⊢ (UnifSt‘𝑊) = (UnifSt‘𝑊) | |
10 | eqid 2738 | . . . . 5 ⊢ (TopOpen‘𝑊) = (TopOpen‘𝑊) | |
11 | 2, 9, 10 | isusp 23413 | . . . 4 ⊢ (𝑊 ∈ UnifSp ↔ ((UnifSt‘𝑊) ∈ (UnifOn‘𝑋) ∧ (TopOpen‘𝑊) = (unifTop‘(UnifSt‘𝑊)))) |
12 | 11 | simplbi 498 | . . 3 ⊢ (𝑊 ∈ UnifSp → (UnifSt‘𝑊) ∈ (UnifOn‘𝑋)) |
13 | trust 23381 | . . 3 ⊢ (((UnifSt‘𝑊) ∈ (UnifOn‘𝑋) ∧ 𝐴 ⊆ 𝑋) → ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴)) ∈ (UnifOn‘𝐴)) | |
14 | 12, 13 | sylan 580 | . 2 ⊢ ((𝑊 ∈ UnifSp ∧ 𝐴 ⊆ 𝑋) → ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴)) ∈ (UnifOn‘𝐴)) |
15 | 8, 14 | eqeltrd 2839 | 1 ⊢ ((𝑊 ∈ UnifSp ∧ 𝐴 ⊆ 𝑋) → 𝑇 ∈ (UnifOn‘𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2106 Vcvv 3432 ⊆ wss 3887 × cxp 5587 ‘cfv 6433 (class class class)co 7275 Basecbs 16912 ↾s cress 16941 ↾t crest 17131 TopOpenctopn 17132 UnifOncust 23351 unifTopcutop 23382 UnifStcuss 23405 UnifSpcusp 23406 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-unif 16985 df-rest 17133 df-ust 23352 df-uss 23408 df-usp 23409 |
This theorem is referenced by: ucnextcn 23456 |
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