| Mathbox for Glauco Siliprandi |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > fsumcnf | Structured version Visualization version GIF version | ||
| Description: A finite sum of functions to complex numbers from a common topological space is continuous, without disjoint var constraint x ph. The class expression for B normally contains free variables k and x to index it. (Contributed by Glauco Siliprandi, 20-Apr-2017.) |
| Ref | Expression |
|---|---|
| fsumcnf.1 | ⊢ 𝐾 = (TopOpen‘ℂfld) |
| fsumcnf.2 | ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋)) |
| fsumcnf.3 | ⊢ (𝜑 → 𝐴 ∈ Fin) |
| fsumcnf.4 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑥 ∈ 𝑋 ↦ 𝐵) ∈ (𝐽 Cn 𝐾)) |
| Ref | Expression |
|---|---|
| fsumcnf | ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ Σ𝑘 ∈ 𝐴 𝐵) ∈ (𝐽 Cn 𝐾)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2899 | . . 3 ⊢ Ⅎ𝑦Σ𝑘 ∈ 𝐴 𝐵 | |
| 2 | nfcv 2899 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfcsb1v 3862 | . . . 4 ⊢ Ⅎ𝑥⦋𝑦 / 𝑥⦌𝐵 | |
| 4 | 2, 3 | nfsum 15615 | . . 3 ⊢ Ⅎ𝑥Σ𝑘 ∈ 𝐴 ⦋𝑦 / 𝑥⦌𝐵 |
| 5 | csbeq1a 3852 | . . . 4 ⊢ (𝑥 = 𝑦 → 𝐵 = ⦋𝑦 / 𝑥⦌𝐵) | |
| 6 | 5 | sumeq2sdv 15627 | . . 3 ⊢ (𝑥 = 𝑦 → Σ𝑘 ∈ 𝐴 𝐵 = Σ𝑘 ∈ 𝐴 ⦋𝑦 / 𝑥⦌𝐵) |
| 7 | 1, 4, 6 | cbvmpt 5188 | . 2 ⊢ (𝑥 ∈ 𝑋 ↦ Σ𝑘 ∈ 𝐴 𝐵) = (𝑦 ∈ 𝑋 ↦ Σ𝑘 ∈ 𝐴 ⦋𝑦 / 𝑥⦌𝐵) |
| 8 | fsumcnf.1 | . . 3 ⊢ 𝐾 = (TopOpen‘ℂfld) | |
| 9 | fsumcnf.2 | . . 3 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋)) | |
| 10 | fsumcnf.3 | . . 3 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
| 11 | nfcv 2899 | . . . . 5 ⊢ Ⅎ𝑦𝐵 | |
| 12 | 11, 3, 5 | cbvmpt 5188 | . . . 4 ⊢ (𝑥 ∈ 𝑋 ↦ 𝐵) = (𝑦 ∈ 𝑋 ↦ ⦋𝑦 / 𝑥⦌𝐵) |
| 13 | fsumcnf.4 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑥 ∈ 𝑋 ↦ 𝐵) ∈ (𝐽 Cn 𝐾)) | |
| 14 | 12, 13 | eqeltrrid 2842 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑦 ∈ 𝑋 ↦ ⦋𝑦 / 𝑥⦌𝐵) ∈ (𝐽 Cn 𝐾)) |
| 15 | 8, 9, 10, 14 | fsumcn 24815 | . 2 ⊢ (𝜑 → (𝑦 ∈ 𝑋 ↦ Σ𝑘 ∈ 𝐴 ⦋𝑦 / 𝑥⦌𝐵) ∈ (𝐽 Cn 𝐾)) |
| 16 | 7, 15 | eqeltrid 2841 | 1 ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ Σ𝑘 ∈ 𝐴 𝐵) ∈ (𝐽 Cn 𝐾)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ⦋csb 3838 ↦ cmpt 5167 ‘cfv 6490 (class class class)co 7358 Fincfn 8884 Σcsu 15610 TopOpenctopn 17342 ℂfldccnfld 21311 TopOnctopon 22853 Cn ccn 23167 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-inf2 9551 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 ax-pre-sup 11105 ax-addf 11106 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-se 5576 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-isom 6499 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-of 7622 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8102 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-2o 8397 df-er 8634 df-map 8766 df-ixp 8837 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-fsupp 9266 df-fi 9315 df-sup 9346 df-inf 9347 df-oi 9416 df-card 9852 df-pnf 11169 df-mnf 11170 df-xr 11171 df-ltxr 11172 df-le 11173 df-sub 11367 df-neg 11368 df-div 11796 df-nn 12147 df-2 12209 df-3 12210 df-4 12211 df-5 12212 df-6 12213 df-7 12214 df-8 12215 df-9 12216 df-n0 12403 df-z 12490 df-dec 12609 df-uz 12753 df-q 12863 df-rp 12907 df-xneg 13027 df-xadd 13028 df-xmul 13029 df-icc 13269 df-fz 13425 df-fzo 13572 df-seq 13926 df-exp 13986 df-hash 14255 df-cj 15023 df-re 15024 df-im 15025 df-sqrt 15159 df-abs 15160 df-clim 15412 df-sum 15611 df-struct 17075 df-sets 17092 df-slot 17110 df-ndx 17122 df-base 17138 df-ress 17159 df-plusg 17191 df-mulr 17192 df-starv 17193 df-sca 17194 df-vsca 17195 df-ip 17196 df-tset 17197 df-ple 17198 df-ds 17200 df-unif 17201 df-hom 17202 df-cco 17203 df-rest 17343 df-topn 17344 df-0g 17362 df-gsum 17363 df-topgen 17364 df-pt 17365 df-prds 17368 df-xrs 17424 df-qtop 17429 df-imas 17430 df-xps 17432 df-mre 17506 df-mrc 17507 df-acs 17509 df-mgm 18566 df-sgrp 18645 df-mnd 18661 df-submnd 18710 df-mulg 19002 df-cntz 19250 df-cmn 19715 df-psmet 21303 df-xmet 21304 df-met 21305 df-bl 21306 df-mopn 21307 df-cnfld 21312 df-top 22837 df-topon 22854 df-topsp 22876 df-bases 22889 df-cn 23170 df-cnp 23171 df-tx 23505 df-hmeo 23698 df-xms 24263 df-ms 24264 df-tms 24265 |
| This theorem is referenced by: refsumcn 45464 fsumcncf 46310 |
| Copyright terms: Public domain | W3C validator |