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Mirrors > Home > MPE Home > Th. List > ulmf2 | Structured version Visualization version GIF version |
Description: Closure of a uniform limit of functions. (Contributed by Mario Carneiro, 18-Mar-2015.) |
Ref | Expression |
---|---|
ulmf2 | ⊢ ((𝐹 Fn 𝑍 ∧ 𝐹(⇝𝑢‘𝑆)𝐺) → 𝐹:𝑍⟶(ℂ ↑m 𝑆)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ulmpm 26260 | . . . 4 ⊢ (𝐹(⇝𝑢‘𝑆)𝐺 → 𝐹 ∈ ((ℂ ↑m 𝑆) ↑pm ℤ)) | |
2 | ovex 7435 | . . . . . 6 ⊢ (ℂ ↑m 𝑆) ∈ V | |
3 | zex 12566 | . . . . . 6 ⊢ ℤ ∈ V | |
4 | 2, 3 | elpm2 8865 | . . . . 5 ⊢ (𝐹 ∈ ((ℂ ↑m 𝑆) ↑pm ℤ) ↔ (𝐹:dom 𝐹⟶(ℂ ↑m 𝑆) ∧ dom 𝐹 ⊆ ℤ)) |
5 | 4 | simplbi 497 | . . . 4 ⊢ (𝐹 ∈ ((ℂ ↑m 𝑆) ↑pm ℤ) → 𝐹:dom 𝐹⟶(ℂ ↑m 𝑆)) |
6 | 1, 5 | syl 17 | . . 3 ⊢ (𝐹(⇝𝑢‘𝑆)𝐺 → 𝐹:dom 𝐹⟶(ℂ ↑m 𝑆)) |
7 | 6 | adantl 481 | . 2 ⊢ ((𝐹 Fn 𝑍 ∧ 𝐹(⇝𝑢‘𝑆)𝐺) → 𝐹:dom 𝐹⟶(ℂ ↑m 𝑆)) |
8 | fndm 6643 | . . . 4 ⊢ (𝐹 Fn 𝑍 → dom 𝐹 = 𝑍) | |
9 | 8 | adantr 480 | . . 3 ⊢ ((𝐹 Fn 𝑍 ∧ 𝐹(⇝𝑢‘𝑆)𝐺) → dom 𝐹 = 𝑍) |
10 | 9 | feq2d 6694 | . 2 ⊢ ((𝐹 Fn 𝑍 ∧ 𝐹(⇝𝑢‘𝑆)𝐺) → (𝐹:dom 𝐹⟶(ℂ ↑m 𝑆) ↔ 𝐹:𝑍⟶(ℂ ↑m 𝑆))) |
11 | 7, 10 | mpbid 231 | 1 ⊢ ((𝐹 Fn 𝑍 ∧ 𝐹(⇝𝑢‘𝑆)𝐺) → 𝐹:𝑍⟶(ℂ ↑m 𝑆)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1533 ∈ wcel 2098 ⊆ wss 3941 class class class wbr 5139 dom cdm 5667 Fn wfn 6529 ⟶wf 6530 ‘cfv 6534 (class class class)co 7402 ↑m cmap 8817 ↑pm cpm 8818 ℂcc 11105 ℤcz 12557 ⇝𝑢culm 26253 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2695 ax-rep 5276 ax-sep 5290 ax-nul 5297 ax-pow 5354 ax-pr 5418 ax-un 7719 ax-cnex 11163 ax-resscn 11164 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2526 df-eu 2555 df-clab 2702 df-cleq 2716 df-clel 2802 df-nfc 2877 df-ne 2933 df-ral 3054 df-rex 3063 df-reu 3369 df-rab 3425 df-v 3468 df-sbc 3771 df-csb 3887 df-dif 3944 df-un 3946 df-in 3948 df-ss 3958 df-nul 4316 df-if 4522 df-pw 4597 df-sn 4622 df-pr 4624 df-op 4628 df-uni 4901 df-iun 4990 df-br 5140 df-opab 5202 df-mpt 5223 df-id 5565 df-xp 5673 df-rel 5674 df-cnv 5675 df-co 5676 df-dm 5677 df-rn 5678 df-res 5679 df-ima 5680 df-iota 6486 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-ov 7405 df-oprab 7406 df-mpo 7407 df-map 8819 df-pm 8820 df-neg 11446 df-z 12558 df-uz 12822 df-ulm 26254 |
This theorem is referenced by: ulmdvlem1 26277 ulmdvlem2 26278 ulmdvlem3 26279 mtestbdd 26282 mbfulm 26283 iblulm 26284 itgulm 26285 itgulm2 26286 lgamgulm2 26909 lgamcvglem 26913 |
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