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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 25909 | . . . . 5 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → (𝐹:dom 𝐹⟶ℂ ∧ dom 𝐹 ⊆ ℂ ∧ 𝐵 ∈ ℂ)) | |
| 2 | eqid 2756 | . . . . . 6 ⊢ ((TopOpen‘ℂfld) ↾t (dom 𝐹 ∪ {𝐵})) = ((TopOpen‘ℂfld) ↾t (dom 𝐹 ∪ {𝐵})) | |
| 3 | eqid 2756 | . . . . . 6 ⊢ (TopOpen‘ℂfld) = (TopOpen‘ℂfld) | |
| 4 | 2, 3 | limcfval 25907 | . . . . 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 17 | . . . 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 498 | . . 3 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → (𝐹 limℂ 𝐵) ⊆ ℂ) |
| 7 | id 22 | . . 3 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → 𝑥 ∈ (𝐹 limℂ 𝐵)) | |
| 8 | 6, 7 | sseldd 3932 | . 2 ⊢ (𝑥 ∈ (𝐹 limℂ 𝐵) → 𝑥 ∈ ℂ) |
| 9 | 8 | ssriv 3935 | 1 ⊢ (𝐹 limℂ 𝐵) ⊆ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ wa 398 ∧ w3a 1095 = wceq 1554 ∈ wcel 2136 {cab 2734 ∪ cun 3897 ⊆ wss 3899 ifcif 4474 {csn 4576 ↦ cmpt 5175 dom cdm 5640 ⟶wf 6506 ‘cfv 6510 (class class class)co 7385 ℂcc 11061 ↾t crest 17425 TopOpenctopn 17426 ℂfldccnfld 21397 CnP ccnp 23258 limℂ climc 25897 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-rep 5221 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 ax-un 7707 ax-cnex 11119 ax-resscn 11120 ax-1cn 11121 ax-icn 11122 ax-addcl 11123 ax-addrcl 11124 ax-mulcl 11125 ax-mulrcl 11126 ax-mulcom 11127 ax-addass 11128 ax-mulass 11129 ax-distr 11130 ax-i2m1 11131 ax-1ne0 11132 ax-1rid 11133 ax-rnegex 11134 ax-rrecex 11135 ax-cnre 11136 ax-pre-lttri 11137 ax-pre-lttrn 11138 ax-pre-ltadd 11139 ax-pre-mulgt0 11140 ax-pre-sup 11141 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-nel 3056 df-ral 3071 df-rex 3081 df-rmo 3361 df-reu 3362 df-rab 3409 df-v 3450 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-tp 4581 df-op 4583 df-uni 4860 df-int 4900 df-iun 4945 df-br 5095 df-opab 5157 df-mpt 5176 df-tr 5202 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6466 df-fun 6512 df-fn 6513 df-f 6514 df-f1 6515 df-fo 6516 df-f1o 6517 df-fv 6518 df-riota 7342 df-ov 7388 df-oprab 7389 df-mpo 7390 df-om 7836 df-1st 7959 df-2nd 7960 df-frecs 8250 df-wrecs 8281 df-recs 8330 df-rdg 8369 df-1o 8425 df-er 8666 df-map 8798 df-pm 8799 df-en 8917 df-dom 8918 df-sdom 8919 df-fin 8920 df-fi 9347 df-sup 9378 df-inf 9379 df-pnf 11208 df-mnf 11209 df-xr 11210 df-ltxr 11211 df-le 11212 df-sub 11406 df-neg 11407 df-div 11835 df-nn 12201 df-2 12270 df-3 12271 df-4 12272 df-5 12273 df-6 12274 df-7 12275 df-8 12276 df-9 12277 df-n0 12472 df-z 12559 df-dec 12679 df-uz 12830 df-q 12940 df-rp 12984 df-xneg 13104 df-xadd 13105 df-xmul 13106 df-fz 13503 df-seq 14005 df-exp 14065 df-cj 15102 df-re 15103 df-im 15104 df-sqrt 15238 df-abs 15239 df-struct 17159 df-slot 17194 df-ndx 17206 df-base 17222 df-plusg 17275 df-mulr 17276 df-starv 17277 df-tset 17281 df-ple 17282 df-ds 17284 df-unif 17285 df-rest 17427 df-topn 17428 df-topgen 17448 df-psmet 21389 df-xmet 21390 df-met 21391 df-bl 21392 df-mopn 21393 df-cnfld 21398 df-top 22927 df-topon 22944 df-topsp 22966 df-bases 22979 df-cnp 23261 df-xms 24353 df-ms 24354 df-limc 25901 |
| This theorem is referenced by: ellimc2 25912 limcres 25921 limcco 25928 limciun 25929 limcun 25930 dvfval 25932 dvcl 25934 lhop1lem 26048 mullimc 46140 limcdm0 46142 limccog 46144 mullimcf 46147 limcperiod 46152 limcrecl 46153 limcleqr 46166 neglimc 46169 addlimc 46170 limclner 46173 sublimc 46174 reclimc 46175 divlimc 46178 cncfiooicclem1 46415 cncfiooicc 46416 itgioocnicc 46499 iblcncfioo 46500 fourierdlem60 46688 fourierdlem61 46689 fourierdlem73 46701 fourierdlem74 46702 fourierdlem75 46703 fourierdlem81 46709 fourierdlem103 46731 fourierdlem104 46732 fourierdlem112 46740 |
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