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Mirrors > Home > MPE Home > Th. List > cncfcn | Structured version Visualization version GIF version |
Description: Relate complex function continuity to topological continuity. (Contributed by Mario Carneiro, 17-Feb-2015.) |
Ref | Expression |
---|---|
cncfcn.2 | ⊢ 𝐽 = (TopOpen‘ℂfld) |
cncfcn.3 | ⊢ 𝐾 = (𝐽 ↾t 𝐴) |
cncfcn.4 | ⊢ 𝐿 = (𝐽 ↾t 𝐵) |
Ref | Expression |
---|---|
cncfcn | ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → (𝐴–cn→𝐵) = (𝐾 Cn 𝐿)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2735 | . . 3 ⊢ ((abs ∘ − ) ↾ (𝐴 × 𝐴)) = ((abs ∘ − ) ↾ (𝐴 × 𝐴)) | |
2 | eqid 2735 | . . 3 ⊢ ((abs ∘ − ) ↾ (𝐵 × 𝐵)) = ((abs ∘ − ) ↾ (𝐵 × 𝐵)) | |
3 | eqid 2735 | . . 3 ⊢ (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) = (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) | |
4 | eqid 2735 | . . 3 ⊢ (MetOpen‘((abs ∘ − ) ↾ (𝐵 × 𝐵))) = (MetOpen‘((abs ∘ − ) ↾ (𝐵 × 𝐵))) | |
5 | 1, 2, 3, 4 | cncfmet 24949 | . 2 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → (𝐴–cn→𝐵) = ((MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) Cn (MetOpen‘((abs ∘ − ) ↾ (𝐵 × 𝐵))))) |
6 | cncfcn.3 | . . . 4 ⊢ 𝐾 = (𝐽 ↾t 𝐴) | |
7 | cnxmet 24809 | . . . . 5 ⊢ (abs ∘ − ) ∈ (∞Met‘ℂ) | |
8 | simpl 482 | . . . . 5 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → 𝐴 ⊆ ℂ) | |
9 | cncfcn.2 | . . . . . . 7 ⊢ 𝐽 = (TopOpen‘ℂfld) | |
10 | 9 | cnfldtopn 24818 | . . . . . 6 ⊢ 𝐽 = (MetOpen‘(abs ∘ − )) |
11 | 1, 10, 3 | metrest 24553 | . . . . 5 ⊢ (((abs ∘ − ) ∈ (∞Met‘ℂ) ∧ 𝐴 ⊆ ℂ) → (𝐽 ↾t 𝐴) = (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴)))) |
12 | 7, 8, 11 | sylancr 587 | . . . 4 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → (𝐽 ↾t 𝐴) = (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴)))) |
13 | 6, 12 | eqtrid 2787 | . . 3 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → 𝐾 = (MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴)))) |
14 | cncfcn.4 | . . . 4 ⊢ 𝐿 = (𝐽 ↾t 𝐵) | |
15 | simpr 484 | . . . . 5 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → 𝐵 ⊆ ℂ) | |
16 | 2, 10, 4 | metrest 24553 | . . . . 5 ⊢ (((abs ∘ − ) ∈ (∞Met‘ℂ) ∧ 𝐵 ⊆ ℂ) → (𝐽 ↾t 𝐵) = (MetOpen‘((abs ∘ − ) ↾ (𝐵 × 𝐵)))) |
17 | 7, 15, 16 | sylancr 587 | . . . 4 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → (𝐽 ↾t 𝐵) = (MetOpen‘((abs ∘ − ) ↾ (𝐵 × 𝐵)))) |
18 | 14, 17 | eqtrid 2787 | . . 3 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → 𝐿 = (MetOpen‘((abs ∘ − ) ↾ (𝐵 × 𝐵)))) |
19 | 13, 18 | oveq12d 7449 | . 2 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → (𝐾 Cn 𝐿) = ((MetOpen‘((abs ∘ − ) ↾ (𝐴 × 𝐴))) Cn (MetOpen‘((abs ∘ − ) ↾ (𝐵 × 𝐵))))) |
20 | 5, 19 | eqtr4d 2778 | 1 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → (𝐴–cn→𝐵) = (𝐾 Cn 𝐿)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1537 ∈ wcel 2106 ⊆ wss 3963 × cxp 5687 ↾ cres 5691 ∘ ccom 5693 ‘cfv 6563 (class class class)co 7431 ℂcc 11151 − cmin 11490 abscabs 15270 ↾t crest 17467 TopOpenctopn 17468 ∞Metcxmet 21367 MetOpencmopn 21372 ℂfldccnfld 21382 Cn ccn 23248 –cn→ccncf 24916 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1908 ax-6 1965 ax-7 2005 ax-8 2108 ax-9 2116 ax-10 2139 ax-11 2155 ax-12 2175 ax-ext 2706 ax-rep 5285 ax-sep 5302 ax-nul 5312 ax-pow 5371 ax-pr 5438 ax-un 7754 ax-cnex 11209 ax-resscn 11210 ax-1cn 11211 ax-icn 11212 ax-addcl 11213 ax-addrcl 11214 ax-mulcl 11215 ax-mulrcl 11216 ax-mulcom 11217 ax-addass 11218 ax-mulass 11219 ax-distr 11220 ax-i2m1 11221 ax-1ne0 11222 ax-1rid 11223 ax-rnegex 11224 ax-rrecex 11225 ax-cnre 11226 ax-pre-lttri 11227 ax-pre-lttrn 11228 ax-pre-ltadd 11229 ax-pre-mulgt0 11230 ax-pre-sup 11231 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1540 df-fal 1550 df-ex 1777 df-nf 1781 df-sb 2063 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2727 df-clel 2814 df-nfc 2890 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3378 df-reu 3379 df-rab 3434 df-v 3480 df-sbc 3792 df-csb 3909 df-dif 3966 df-un 3968 df-in 3970 df-ss 3980 df-pss 3983 df-nul 4340 df-if 4532 df-pw 4607 df-sn 4632 df-pr 4634 df-tp 4636 df-op 4638 df-uni 4913 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5583 df-eprel 5589 df-po 5597 df-so 5598 df-fr 5641 df-we 5643 df-xp 5695 df-rel 5696 df-cnv 5697 df-co 5698 df-dm 5699 df-rn 5700 df-res 5701 df-ima 5702 df-pred 6323 df-ord 6389 df-on 6390 df-lim 6391 df-suc 6392 df-iota 6516 df-fun 6565 df-fn 6566 df-f 6567 df-f1 6568 df-fo 6569 df-f1o 6570 df-fv 6571 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8013 df-2nd 8014 df-frecs 8305 df-wrecs 8336 df-recs 8410 df-rdg 8449 df-1o 8505 df-er 8744 df-map 8867 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-sup 9480 df-inf 9481 df-pnf 11295 df-mnf 11296 df-xr 11297 df-ltxr 11298 df-le 11299 df-sub 11492 df-neg 11493 df-div 11919 df-nn 12265 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12525 df-z 12612 df-dec 12732 df-uz 12877 df-q 12989 df-rp 13033 df-xneg 13152 df-xadd 13153 df-xmul 13154 df-fz 13545 df-seq 14040 df-exp 14100 df-cj 15135 df-re 15136 df-im 15137 df-sqrt 15271 df-abs 15272 df-struct 17181 df-slot 17216 df-ndx 17228 df-base 17246 df-plusg 17311 df-mulr 17312 df-starv 17313 df-tset 17317 df-ple 17318 df-ds 17320 df-unif 17321 df-rest 17469 df-topn 17470 df-topgen 17490 df-psmet 21374 df-xmet 21375 df-met 21376 df-bl 21377 df-mopn 21378 df-cnfld 21383 df-top 22916 df-topon 22933 df-bases 22969 df-cn 23251 df-cnp 23252 df-cncf 24918 |
This theorem is referenced by: cncfcn1 24951 cncfmptc 24952 cncfmptid 24953 cncfmpt2f 24955 cdivcncf 24961 abscncfALT 24965 cncfcnvcn 24966 cnrehmeo 24998 cnrehmeoOLD 24999 mulcncf 25494 cncombf 25707 cnmbf 25708 cnlimc 25938 dvcn 25972 dvcnvrelem2 26072 dvcnvre 26073 ftc1cn 26099 psercn 26485 abelth 26500 logcn 26704 dvloglem 26705 efopnlem2 26714 cxpcn 26802 cxpcnOLD 26803 resqrtcn 26807 sqrtcn 26808 loglesqrt 26819 ftalem3 27133 cxpcncf1 34589 ivthALT 36318 knoppcnlem10 36485 knoppcnlem11 36486 ftc1cnnc 37679 areacirclem2 37696 areacirclem4 37698 fsumcncf 45834 ioccncflimc 45841 cncfuni 45842 icocncflimc 45845 cncfdmsn 45846 cncfiooicclem1 45849 cncfiooicc 45850 cxpcncf2 45855 itgsubsticclem 45931 dirkercncflem2 46060 dirkercncflem4 46062 dirkercncf 46063 fourierdlem32 46095 fourierdlem33 46096 fourierdlem62 46124 fourierdlem93 46155 fourierdlem101 46163 fouriercn 46188 |
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