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| Mirrors > Home > MPE Home > Th. List > ressuss | Structured version Visualization version GIF version | ||
| Description: Value of the uniform structure of a restricted space. (Contributed by Thierry Arnoux, 12-Dec-2017.) |
| Ref | Expression |
|---|---|
| ressuss | ⊢ (𝐴 ∈ 𝑉 → (UnifSt‘(𝑊 ↾s 𝐴)) = ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2763 | . . . . 5 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
| 2 | eqid 2763 | . . . . 5 ⊢ (UnifSet‘𝑊) = (UnifSet‘𝑊) | |
| 3 | 1, 2 | ussval 24590 | . . . 4 ⊢ ((UnifSet‘𝑊) ↾t ((Base‘𝑊) × (Base‘𝑊))) = (UnifSt‘𝑊) |
| 4 | 3 | oveq1i 7437 | . . 3 ⊢ (((UnifSet‘𝑊) ↾t ((Base‘𝑊) × (Base‘𝑊))) ↾t (𝐴 × 𝐴)) = ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴)) |
| 5 | fvex 6906 | . . . 4 ⊢ (UnifSet‘𝑊) ∈ V | |
| 6 | fvex 6906 | . . . . 5 ⊢ (Base‘𝑊) ∈ V | |
| 7 | 6, 6 | xpex 7774 | . . . 4 ⊢ ((Base‘𝑊) × (Base‘𝑊)) ∈ V |
| 8 | sqxpexg 7776 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → (𝐴 × 𝐴) ∈ V) | |
| 9 | restco 23494 | . . . 4 ⊢ (((UnifSet‘𝑊) ∈ V ∧ ((Base‘𝑊) × (Base‘𝑊)) ∈ V ∧ (𝐴 × 𝐴) ∈ V) → (((UnifSet‘𝑊) ↾t ((Base‘𝑊) × (Base‘𝑊))) ↾t (𝐴 × 𝐴)) = ((UnifSet‘𝑊) ↾t (((Base‘𝑊) × (Base‘𝑊)) ∩ (𝐴 × 𝐴)))) | |
| 10 | 5, 7, 8, 9 | mp3an12i 1494 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (((UnifSet‘𝑊) ↾t ((Base‘𝑊) × (Base‘𝑊))) ↾t (𝐴 × 𝐴)) = ((UnifSet‘𝑊) ↾t (((Base‘𝑊) × (Base‘𝑊)) ∩ (𝐴 × 𝐴)))) |
| 11 | 4, 10 | eqtr3id 2812 | . 2 ⊢ (𝐴 ∈ 𝑉 → ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴)) = ((UnifSet‘𝑊) ↾t (((Base‘𝑊) × (Base‘𝑊)) ∩ (𝐴 × 𝐴)))) |
| 12 | inxp 5813 | . . . . 5 ⊢ (((Base‘𝑊) × (Base‘𝑊)) ∩ (𝐴 × 𝐴)) = (((Base‘𝑊) ∩ 𝐴) × ((Base‘𝑊) ∩ 𝐴)) | |
| 13 | incom 4108 | . . . . . . 7 ⊢ (𝐴 ∩ (Base‘𝑊)) = ((Base‘𝑊) ∩ 𝐴) | |
| 14 | eqid 2763 | . . . . . . . 8 ⊢ (𝑊 ↾s 𝐴) = (𝑊 ↾s 𝐴) | |
| 15 | 14, 1 | ressbas 17426 | . . . . . . 7 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∩ (Base‘𝑊)) = (Base‘(𝑊 ↾s 𝐴))) |
| 16 | 13, 15 | eqtr3id 2812 | . . . . . 6 ⊢ (𝐴 ∈ 𝑉 → ((Base‘𝑊) ∩ 𝐴) = (Base‘(𝑊 ↾s 𝐴))) |
| 17 | 16 | sqxpeqd 5686 | . . . . 5 ⊢ (𝐴 ∈ 𝑉 → (((Base‘𝑊) ∩ 𝐴) × ((Base‘𝑊) ∩ 𝐴)) = ((Base‘(𝑊 ↾s 𝐴)) × (Base‘(𝑊 ↾s 𝐴)))) |
| 18 | 12, 17 | eqtrid 2810 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → (((Base‘𝑊) × (Base‘𝑊)) ∩ (𝐴 × 𝐴)) = ((Base‘(𝑊 ↾s 𝐴)) × (Base‘(𝑊 ↾s 𝐴)))) |
| 19 | 18 | oveq2d 7443 | . . 3 ⊢ (𝐴 ∈ 𝑉 → ((UnifSet‘𝑊) ↾t (((Base‘𝑊) × (Base‘𝑊)) ∩ (𝐴 × 𝐴))) = ((UnifSet‘𝑊) ↾t ((Base‘(𝑊 ↾s 𝐴)) × (Base‘(𝑊 ↾s 𝐴))))) |
| 20 | 14, 2 | ressunif 17585 | . . . 4 ⊢ (𝐴 ∈ 𝑉 → (UnifSet‘𝑊) = (UnifSet‘(𝑊 ↾s 𝐴))) |
| 21 | 20 | oveq1d 7442 | . . 3 ⊢ (𝐴 ∈ 𝑉 → ((UnifSet‘𝑊) ↾t ((Base‘(𝑊 ↾s 𝐴)) × (Base‘(𝑊 ↾s 𝐴)))) = ((UnifSet‘(𝑊 ↾s 𝐴)) ↾t ((Base‘(𝑊 ↾s 𝐴)) × (Base‘(𝑊 ↾s 𝐴))))) |
| 22 | eqid 2763 | . . . . 5 ⊢ (Base‘(𝑊 ↾s 𝐴)) = (Base‘(𝑊 ↾s 𝐴)) | |
| 23 | eqid 2763 | . . . . 5 ⊢ (UnifSet‘(𝑊 ↾s 𝐴)) = (UnifSet‘(𝑊 ↾s 𝐴)) | |
| 24 | 22, 23 | ussval 24590 | . . . 4 ⊢ ((UnifSet‘(𝑊 ↾s 𝐴)) ↾t ((Base‘(𝑊 ↾s 𝐴)) × (Base‘(𝑊 ↾s 𝐴)))) = (UnifSt‘(𝑊 ↾s 𝐴)) |
| 25 | 24 | a1i 11 | . . 3 ⊢ (𝐴 ∈ 𝑉 → ((UnifSet‘(𝑊 ↾s 𝐴)) ↾t ((Base‘(𝑊 ↾s 𝐴)) × (Base‘(𝑊 ↾s 𝐴)))) = (UnifSt‘(𝑊 ↾s 𝐴))) |
| 26 | 19, 21, 25 | 3eqtrd 2802 | . 2 ⊢ (𝐴 ∈ 𝑉 → ((UnifSet‘𝑊) ↾t (((Base‘𝑊) × (Base‘𝑊)) ∩ (𝐴 × 𝐴))) = (UnifSt‘(𝑊 ↾s 𝐴))) |
| 27 | 11, 26 | eqtr2d 2799 | 1 ⊢ (𝐴 ∈ 𝑉 → (UnifSt‘(𝑊 ↾s 𝐴)) = ((UnifSt‘𝑊) ↾t (𝐴 × 𝐴))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2146 Vcvv 3453 ∩ cin 4091 × cxp 5652 ‘cfv 6546 (class class class)co 7427 Basecbs 17399 ↾s cress 17420 UnifSetcunif 17450 ↾t crest 17603 UnifStcuss 24584 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5234 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-cnex 11266 ax-resscn 11267 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-mulcom 11274 ax-addass 11275 ax-mulass 11276 ax-distr 11277 ax-i2m1 11278 ax-1ne0 11279 ax-1rid 11280 ax-rnegex 11281 ax-rrecex 11282 ax-cnre 11283 ax-pre-lttri 11284 ax-pre-lttrn 11285 ax-pre-ltadd 11286 ax-pre-mulgt0 11287 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-iun 4955 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-we 5609 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6310 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-riota 7384 df-ov 7430 df-oprab 7431 df-mpo 7432 df-om 7885 df-1st 8008 df-2nd 8009 df-frecs 8310 df-wrecs 8341 df-recs 8390 df-rdg 8429 df-er 8728 df-en 8985 df-dom 8986 df-sdom 8987 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-sub 11553 df-neg 11554 df-nn 12346 df-2 12415 df-3 12416 df-4 12417 df-5 12418 df-6 12419 df-7 12420 df-8 12421 df-9 12422 df-n0 12617 df-z 12704 df-dec 12825 df-sets 17354 df-slot 17372 df-ndx 17384 df-base 17400 df-ress 17421 df-unif 17463 df-rest 17605 df-uss 24587 |
| This theorem is used by: ressust 24594 ressusp 24595 ucnextcn 24634 reust 25714 qqhucn 34677 |
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