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Mirrors > Home > MPE Home > Th. List > cncff | Structured version Visualization version GIF version |
Description: A continuous complex function's domain and codomain. (Contributed by Paul Chapman, 17-Jan-2008.) (Revised by Mario Carneiro, 25-Aug-2014.) |
Ref | Expression |
---|---|
cncff | ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐹:𝐴⟶𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cncfrss 23499 | . . . 4 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐴 ⊆ ℂ) | |
2 | cncfrss2 23500 | . . . 4 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐵 ⊆ ℂ) | |
3 | elcncf 23497 | . . . 4 ⊢ ((𝐴 ⊆ ℂ ∧ 𝐵 ⊆ ℂ) → (𝐹 ∈ (𝐴–cn→𝐵) ↔ (𝐹:𝐴⟶𝐵 ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ ℝ+ ∃𝑧 ∈ ℝ+ ∀𝑤 ∈ 𝐴 ((abs‘(𝑥 − 𝑤)) < 𝑧 → (abs‘((𝐹‘𝑥) − (𝐹‘𝑤))) < 𝑦)))) | |
4 | 1, 2, 3 | syl2anc 586 | . . 3 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → (𝐹 ∈ (𝐴–cn→𝐵) ↔ (𝐹:𝐴⟶𝐵 ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ ℝ+ ∃𝑧 ∈ ℝ+ ∀𝑤 ∈ 𝐴 ((abs‘(𝑥 − 𝑤)) < 𝑧 → (abs‘((𝐹‘𝑥) − (𝐹‘𝑤))) < 𝑦)))) |
5 | 4 | ibi 269 | . 2 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → (𝐹:𝐴⟶𝐵 ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ ℝ+ ∃𝑧 ∈ ℝ+ ∀𝑤 ∈ 𝐴 ((abs‘(𝑥 − 𝑤)) < 𝑧 → (abs‘((𝐹‘𝑥) − (𝐹‘𝑤))) < 𝑦))) |
6 | 5 | simpld 497 | 1 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐹:𝐴⟶𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 ∈ wcel 2114 ∀wral 3138 ∃wrex 3139 ⊆ wss 3936 class class class wbr 5066 ⟶wf 6351 ‘cfv 6355 (class class class)co 7156 ℂcc 10535 < clt 10675 − cmin 10870 ℝ+crp 12390 abscabs 14593 –cn→ccncf 23484 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3773 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-fv 6363 df-ov 7159 df-oprab 7160 df-mpo 7161 df-map 8408 df-cncf 23486 |
This theorem is referenced by: cncfss 23507 climcncf 23508 cncfco 23515 cncfmpt1f 23521 cncfmpt2ss 23523 negfcncf 23527 divcncf 24048 ivth2 24056 ivthicc 24059 evthicc2 24061 cniccbdd 24062 volivth 24208 cncombf 24259 cnmbf 24260 cniccibl 24441 cnmptlimc 24488 cpnord 24532 cpnres 24534 dvrec 24552 rollelem 24586 rolle 24587 cmvth 24588 mvth 24589 dvlip 24590 c1liplem1 24593 c1lip1 24594 c1lip2 24595 dveq0 24597 dvgt0lem1 24599 dvgt0lem2 24600 dvgt0 24601 dvlt0 24602 dvge0 24603 dvle 24604 dvivthlem1 24605 dvivth 24607 dvne0 24608 dvne0f1 24609 dvcnvrelem1 24614 dvcnvrelem2 24615 dvcnvre 24616 dvcvx 24617 dvfsumle 24618 dvfsumge 24619 dvfsumabs 24620 ftc1cn 24640 ftc2 24641 ftc2ditglem 24642 ftc2ditg 24643 itgparts 24644 itgsubstlem 24645 itgsubst 24646 ulmcn 24987 psercn 25014 pserdvlem2 25016 pserdv 25017 sincn 25032 coscn 25033 logtayl 25243 dvcncxp1 25324 leibpi 25520 lgamgulmlem2 25607 ftc2re 31869 fdvposlt 31870 fdvneggt 31871 fdvposle 31872 fdvnegge 31873 ivthALT 33683 knoppcld 33844 knoppndv 33873 cnicciblnc 34978 ftc1cnnclem 34980 ftc1cnnc 34981 ftc2nc 34991 cnioobibld 39869 evthiccabs 41820 cncfmptss 41917 mulc1cncfg 41919 expcnfg 41921 mulcncff 42200 cncfshift 42206 subcncff 42212 cncfcompt 42215 addcncff 42216 cncficcgt0 42220 divcncff 42223 cncfiooicclem1 42225 cncfiooiccre 42227 cncfioobd 42229 cncfcompt2 42231 dvsubcncf 42258 dvmulcncf 42259 dvdivcncf 42261 ioodvbdlimc1lem1 42265 cnbdibl 42296 itgsubsticclem 42309 itgsubsticc 42310 itgioocnicc 42311 iblcncfioo 42312 itgiccshift 42314 itgsbtaddcnst 42316 fourierdlem18 42459 fourierdlem32 42473 fourierdlem33 42474 fourierdlem39 42480 fourierdlem48 42488 fourierdlem49 42489 fourierdlem58 42498 fourierdlem59 42499 fourierdlem71 42511 fourierdlem73 42513 fourierdlem81 42521 fourierdlem84 42524 fourierdlem85 42525 fourierdlem88 42528 fourierdlem94 42534 fourierdlem97 42537 fourierdlem101 42541 fourierdlem103 42543 fourierdlem104 42544 fourierdlem111 42551 fourierdlem112 42552 fourierdlem113 42553 fouriercn 42566 |
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