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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 22502 | . . . 4 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐴 ⊆ ℂ) | |
2 | cncfrss2 22503 | . . . 4 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐵 ⊆ ℂ) | |
3 | elcncf 22500 | . . . 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 691 | . . 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 255 | . 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 474 | 1 ⊢ (𝐹 ∈ (𝐴–cn→𝐵) → 𝐹:𝐴⟶𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 ∈ wcel 1977 ∀wral 2896 ∃wrex 2897 ⊆ wss 3540 class class class wbr 4583 ⟶wf 5800 ‘cfv 5804 (class class class)co 6549 ℂcc 9813 < clt 9953 − cmin 10145 ℝ+crp 11708 abscabs 13822 –cn→ccncf 22487 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-map 7746 df-cncf 22489 |
This theorem is referenced by: cncfss 22510 climcncf 22511 cncfco 22518 cncfmpt1f 22524 cncfmpt2ss 22526 negfcncf 22530 ivth2 23031 ivthicc 23034 evthicc2 23036 cniccbdd 23037 volivth 23181 cncombf 23231 cnmbf 23232 cniccibl 23413 cnmptlimc 23460 cpnord 23504 cpnres 23506 dvrec 23524 rollelem 23556 rolle 23557 cmvth 23558 mvth 23559 dvlip 23560 c1liplem1 23563 c1lip1 23564 c1lip2 23565 dveq0 23567 dvgt0lem1 23569 dvgt0lem2 23570 dvgt0 23571 dvlt0 23572 dvge0 23573 dvle 23574 dvivthlem1 23575 dvivth 23577 dvne0 23578 dvne0f1 23579 dvcnvrelem1 23584 dvcnvrelem2 23585 dvcnvre 23586 dvcvx 23587 dvfsumle 23588 dvfsumge 23589 dvfsumabs 23590 ftc1cn 23610 ftc2 23611 ftc2ditglem 23612 ftc2ditg 23613 itgparts 23614 itgsubstlem 23615 itgsubst 23616 ulmcn 23957 psercn 23984 pserdvlem2 23986 pserdv 23987 sincn 24002 coscn 24003 logtayl 24206 dvcncxp1 24284 leibpi 24469 lgamgulmlem2 24556 ivthALT 31500 knoppcld 31665 knoppndv 31695 cnicciblnc 32651 ftc1cnnclem 32653 ftc1cnnc 32654 ftc2nc 32664 cnioobibld 36818 evthiccabs 38565 cncfmptss 38654 mulc1cncfg 38656 expcnfg 38658 mulcncff 38753 cncfshift 38759 subcncff 38765 cncfcompt 38768 divcncf 38769 addcncff 38770 cncficcgt0 38774 divcncff 38777 cncfiooicclem1 38779 cncfiooiccre 38781 cncfioobd 38783 cncfcompt2 38785 dvsubcncf 38814 dvmulcncf 38815 dvdivcncf 38817 ioodvbdlimc1lem1 38821 cnbdibl 38854 itgsubsticclem 38867 itgsubsticc 38868 itgioocnicc 38869 iblcncfioo 38870 itgiccshift 38872 itgsbtaddcnst 38874 fourierdlem18 39018 fourierdlem32 39032 fourierdlem33 39033 fourierdlem39 39039 fourierdlem48 39047 fourierdlem49 39048 fourierdlem58 39057 fourierdlem59 39058 fourierdlem71 39070 fourierdlem73 39072 fourierdlem81 39080 fourierdlem84 39083 fourierdlem85 39084 fourierdlem88 39087 fourierdlem94 39093 fourierdlem97 39096 fourierdlem101 39100 fourierdlem103 39102 fourierdlem104 39103 fourierdlem111 39110 fourierdlem112 39111 fourierdlem113 39112 fouriercn 39125 |
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