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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 22694 | . . . 4 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐴 ⊆ ℂ) | |
2 | cncfrss2 22695 | . . . 4 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐵 ⊆ ℂ) | |
3 | elcncf 22692 | . . . 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 693 | . . 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 256 | . 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 475 | 1 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐹:𝐴⟶𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ wa 384 ∈ wcel 1990 ∀wral 2912 ∃wrex 2913 ⊆ wss 3574 class class class wbr 4653 ⟶wf 5884 ‘cfv 5888 (class class class)co 6650 ℂcc 9934 < clt 10074 − cmin 10266 ℝ+crp 11832 abscabs 13974 –cn→ccncf 22679 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-map 7859 df-cncf 22681 |
This theorem is referenced by: cncfss 22702 climcncf 22703 cncfco 22710 cncfmpt1f 22716 cncfmpt2ss 22718 negfcncf 22722 divcncf 23216 ivth2 23224 ivthicc 23227 evthicc2 23229 cniccbdd 23230 volivth 23375 cncombf 23425 cnmbf 23426 cniccibl 23607 cnmptlimc 23654 cpnord 23698 cpnres 23700 dvrec 23718 rollelem 23752 rolle 23753 cmvth 23754 mvth 23755 dvlip 23756 c1liplem1 23759 c1lip1 23760 c1lip2 23761 dveq0 23763 dvgt0lem1 23765 dvgt0lem2 23766 dvgt0 23767 dvlt0 23768 dvge0 23769 dvle 23770 dvivthlem1 23771 dvivth 23773 dvne0 23774 dvne0f1 23775 dvcnvrelem1 23780 dvcnvrelem2 23781 dvcnvre 23782 dvcvx 23783 dvfsumle 23784 dvfsumge 23785 dvfsumabs 23786 ftc1cn 23806 ftc2 23807 ftc2ditglem 23808 ftc2ditg 23809 itgparts 23810 itgsubstlem 23811 itgsubst 23812 ulmcn 24153 psercn 24180 pserdvlem2 24182 pserdv 24183 sincn 24198 coscn 24199 logtayl 24406 dvcncxp1 24484 leibpi 24669 lgamgulmlem2 24756 ftc2re 30676 fdvposlt 30677 fdvneggt 30678 fdvposle 30679 fdvnegge 30680 ivthALT 32330 knoppcld 32495 knoppndv 32525 cnicciblnc 33481 ftc1cnnclem 33483 ftc1cnnc 33484 ftc2nc 33494 cnioobibld 37799 evthiccabs 39718 cncfmptss 39819 mulc1cncfg 39821 expcnfg 39823 mulcncff 40081 cncfshift 40087 subcncff 40093 cncfcompt 40096 addcncff 40097 cncficcgt0 40101 divcncff 40104 cncfiooicclem1 40106 cncfiooiccre 40108 cncfioobd 40110 cncfcompt2 40112 dvsubcncf 40139 dvmulcncf 40140 dvdivcncf 40142 ioodvbdlimc1lem1 40146 cnbdibl 40178 itgsubsticclem 40191 itgsubsticc 40192 itgioocnicc 40193 iblcncfioo 40194 itgiccshift 40196 itgsbtaddcnst 40198 fourierdlem18 40342 fourierdlem32 40356 fourierdlem33 40357 fourierdlem39 40363 fourierdlem48 40371 fourierdlem49 40372 fourierdlem58 40381 fourierdlem59 40382 fourierdlem71 40394 fourierdlem73 40396 fourierdlem81 40404 fourierdlem84 40407 fourierdlem85 40408 fourierdlem88 40411 fourierdlem94 40417 fourierdlem97 40420 fourierdlem101 40424 fourierdlem103 40426 fourierdlem104 40427 fourierdlem111 40434 fourierdlem112 40435 fourierdlem113 40436 fouriercn 40449 |
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