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| Mirrors > Home > MPE Home > Th. List > limccl | Structured version Visualization version GIF version | ||
| Description: Closure of the limit operator. (Contributed by Mario Carneiro, 25-Dec-2016.) |
| Ref | Expression |
|---|---|
| limccl | ⊢ (𝐹 limℂ 𝐵) ⊆ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | limcrcl 26224 | . . . . 5 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ ∧ 𝐵 ∈ ℂ)) | |
| 2 | eqid 2763 | . . . . . 6 ⊢ ((TopOpen‘ℂfld) ↾t (dom 𝐹 ∪ {𝐵})) = ((TopOpen‘ℂfld) ↾t (dom 𝐹 ∪ {𝐵})) | |
| 3 | eqid 2763 | . . . . . 6 ⊢ (TopOpen‘ℂfld) = (TopOpen‘ℂfld) | |
| 4 | 2, 3 | limcfval 26222 | . . . . 5 ⊢ ((𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐹 limℂ 𝐵) = {𝑦 ∣ (𝑧 ∈ (dom 𝐹 ∪ {𝐵}) ↦ if(𝑧 = 𝐵, 𝑦, (𝐹‘𝑧))) ∈ ((((TopOpen‘ℂfld) ↾t (dom 𝐹 ∪ {𝐵})) CnP (TopOpen‘ℂfld))‘𝐵)} ∧ (𝐹 limℂ 𝐵) ⊆ ℂ)) |
| 5 | 1, 4 | syl 18 | . . . 4 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → ((𝐹 limℂ 𝐵) = {𝑦 ∣ (𝑧 ∈ (dom 𝐹 ∪ {𝐵}) ↦ if(𝑧 = 𝐵, 𝑦, (𝐹‘𝑧))) ∈ ((((TopOpen‘ℂfld) ↾t (dom 𝐹 ∪ {𝐵})) CnP (TopOpen‘ℂfld))‘𝐵)} ∧ (𝐹 limℂ 𝐵) ⊆ ℂ)) |
| 6 | 5 | simprd 501 | . . 3 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → (𝐹 limℂ 𝐵) ⊆ ℂ) |
| 7 | id 23 | . . 3 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → 𝑥 ∈ (𝐹 limℂ 𝐵)) | |
| 8 | 6, 7 | sseldd 3914 | . 2 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → 𝑥 ∈ ℂ) |
| 9 | 8 | ssriv 3917 | 1 ⊢ (𝐹 limℂ 𝐵) ⊆ ℂ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 {cab 2741 ⊆ wss 3900 ∪ cun 4152 ifcif 4485 {csn 4588 ↦ cmpt 5189 dom cdm 5655 ⟶wf 6554 ‘cfv 6558 (class class class)co 7443 ℂcc 11225 ↾t crest 17620 TopOpenctopn 17621 ℂfldccnfld 21708 CnP ccnp 23573 limℂ climc 26212 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 ax-pre-sup 11305 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-1o 8504 df-er 8745 df-map 8877 df-pm 8878 df-en 9002 df-dom 9003 df-sdom 9004 df-fin 9005 df-fi 9430 df-sup 9461 df-inf 9462 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-div 12001 df-nn 12363 df-2 12432 df-3 12433 df-4 12434 df-5 12435 df-6 12436 df-7 12437 df-8 12438 df-9 12439 df-n0 12634 df-z 12721 df-dec 12842 df-uz 12993 df-q 13103 df-rp 13148 df-xneg 13268 df-xadd 13269 df-xmul 13270 df-fz 13667 df-seq 14172 df-exp 14232 df-cj 15295 df-re 15296 df-im 15297 df-sqrt 15431 df-abs 15432 df-struct 17354 df-slot 17389 df-ndx 17401 df-base 17417 df-plusg 17470 df-mulr 17471 df-starv 17472 df-tset 17476 df-ple 17477 df-ds 17479 df-unif 17480 df-rest 17622 df-topn 17623 df-topgen 17643 df-psmet 21700 df-xmet 21701 df-met 21702 df-bl 21703 df-mopn 21704 df-cnfld 21709 df-top 23242 df-topon 23259 df-topsp 23281 df-bases 23294 df-cnp 23576 df-xms 24669 df-ms 24670 df-limc 26216 |
| This theorem is used by: ellimc2 26227 limcres 26236 limcco 26243 limciun 26244 limcun 26245 dvfval 26247 dvcl 26249 lhop1lem 26363 mullimc 46833 limcdm0 46835 limccog 46837 mullimcf 46840 limcperiod 46845 limcrecl 46846 limcleqr 46859 neglimc 46862 addlimc 46863 limclner 46866 sublimc 46867 reclimc 46868 divlimc 46871 cncfiooicclem1 47108 cncfiooicc 47109 itgioocnicc 47192 iblcncfioo 47193 fourierdlem60 47381 fourierdlem61 47382 fourierdlem73 47394 fourierdlem74 47395 fourierdlem75 47396 fourierdlem81 47402 fourierdlem103 47424 fourierdlem104 47425 fourierdlem112 47433 |
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