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Mirrors > Home > MPE Home > Th. List > dchrn0 | Structured version Visualization version GIF version |
Description: A Dirichlet character is nonzero on the units of ℤ/nℤ. (Contributed by Mario Carneiro, 18-Apr-2016.) |
Ref | Expression |
---|---|
dchrmhm.g | ⊢ 𝐺 = (DChr‘𝑁) |
dchrmhm.z | ⊢ 𝑍 = (ℤ/nℤ‘𝑁) |
dchrmhm.b | ⊢ 𝐷 = (Base‘𝐺) |
dchrn0.b | ⊢ 𝐵 = (Base‘𝑍) |
dchrn0.u | ⊢ 𝑈 = (Unit‘𝑍) |
dchrn0.x | ⊢ (𝜑 → 𝑋 ∈ 𝐷) |
dchrn0.a | ⊢ (𝜑 → 𝐴 ∈ 𝐵) |
Ref | Expression |
---|---|
dchrn0 | ⊢ (𝜑 → ((𝑋‘𝐴) ≠ 0 ↔ 𝐴 ∈ 𝑈)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dchrn0.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝐵) | |
2 | dchrn0.x | . . . . . 6 ⊢ (𝜑 → 𝑋 ∈ 𝐷) | |
3 | dchrmhm.g | . . . . . . 7 ⊢ 𝐺 = (DChr‘𝑁) | |
4 | dchrmhm.z | . . . . . . 7 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
5 | dchrn0.b | . . . . . . 7 ⊢ 𝐵 = (Base‘𝑍) | |
6 | dchrn0.u | . . . . . . 7 ⊢ 𝑈 = (Unit‘𝑍) | |
7 | dchrmhm.b | . . . . . . . . 9 ⊢ 𝐷 = (Base‘𝐺) | |
8 | 3, 7 | dchrrcl 24965 | . . . . . . . 8 ⊢ (𝑋 ∈ 𝐷 → 𝑁 ∈ ℕ) |
9 | 2, 8 | syl 17 | . . . . . . 7 ⊢ (𝜑 → 𝑁 ∈ ℕ) |
10 | 3, 4, 5, 6, 9, 7 | dchrelbas2 24962 | . . . . . 6 ⊢ (𝜑 → (𝑋 ∈ 𝐷 ↔ (𝑋 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld)) ∧ ∀𝑥 ∈ 𝐵 ((𝑋‘𝑥) ≠ 0 → 𝑥 ∈ 𝑈)))) |
11 | 2, 10 | mpbid 222 | . . . . 5 ⊢ (𝜑 → (𝑋 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld)) ∧ ∀𝑥 ∈ 𝐵 ((𝑋‘𝑥) ≠ 0 → 𝑥 ∈ 𝑈))) |
12 | 11 | simprd 479 | . . . 4 ⊢ (𝜑 → ∀𝑥 ∈ 𝐵 ((𝑋‘𝑥) ≠ 0 → 𝑥 ∈ 𝑈)) |
13 | fveq2 6191 | . . . . . . 7 ⊢ (𝑥 = 𝐴 → (𝑋‘𝑥) = (𝑋‘𝐴)) | |
14 | 13 | neeq1d 2853 | . . . . . 6 ⊢ (𝑥 = 𝐴 → ((𝑋‘𝑥) ≠ 0 ↔ (𝑋‘𝐴) ≠ 0)) |
15 | eleq1 2689 | . . . . . 6 ⊢ (𝑥 = 𝐴 → (𝑥 ∈ 𝑈 ↔ 𝐴 ∈ 𝑈)) | |
16 | 14, 15 | imbi12d 334 | . . . . 5 ⊢ (𝑥 = 𝐴 → (((𝑋‘𝑥) ≠ 0 → 𝑥 ∈ 𝑈) ↔ ((𝑋‘𝐴) ≠ 0 → 𝐴 ∈ 𝑈))) |
17 | 16 | rspcv 3305 | . . . 4 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 ((𝑋‘𝑥) ≠ 0 → 𝑥 ∈ 𝑈) → ((𝑋‘𝐴) ≠ 0 → 𝐴 ∈ 𝑈))) |
18 | 1, 12, 17 | sylc 65 | . . 3 ⊢ (𝜑 → ((𝑋‘𝐴) ≠ 0 → 𝐴 ∈ 𝑈)) |
19 | 18 | imp 445 | . 2 ⊢ ((𝜑 ∧ (𝑋‘𝐴) ≠ 0) → 𝐴 ∈ 𝑈) |
20 | ax-1ne0 10005 | . . . . 5 ⊢ 1 ≠ 0 | |
21 | 20 | a1i 11 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → 1 ≠ 0) |
22 | 9 | nnnn0d 11351 | . . . . . . . 8 ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
23 | 4 | zncrng 19893 | . . . . . . . 8 ⊢ (𝑁 ∈ ℕ0 → 𝑍 ∈ CRing) |
24 | crngring 18558 | . . . . . . . 8 ⊢ (𝑍 ∈ CRing → 𝑍 ∈ Ring) | |
25 | 22, 23, 24 | 3syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝑍 ∈ Ring) |
26 | eqid 2622 | . . . . . . . 8 ⊢ (invr‘𝑍) = (invr‘𝑍) | |
27 | eqid 2622 | . . . . . . . 8 ⊢ (.r‘𝑍) = (.r‘𝑍) | |
28 | eqid 2622 | . . . . . . . 8 ⊢ (1r‘𝑍) = (1r‘𝑍) | |
29 | 6, 26, 27, 28 | unitrinv 18678 | . . . . . . 7 ⊢ ((𝑍 ∈ Ring ∧ 𝐴 ∈ 𝑈) → (𝐴(.r‘𝑍)((invr‘𝑍)‘𝐴)) = (1r‘𝑍)) |
30 | 25, 29 | sylan 488 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → (𝐴(.r‘𝑍)((invr‘𝑍)‘𝐴)) = (1r‘𝑍)) |
31 | 30 | fveq2d 6195 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → (𝑋‘(𝐴(.r‘𝑍)((invr‘𝑍)‘𝐴))) = (𝑋‘(1r‘𝑍))) |
32 | 11 | simpld 475 | . . . . . . 7 ⊢ (𝜑 → 𝑋 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld))) |
33 | 32 | adantr 481 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → 𝑋 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld))) |
34 | 1 | adantr 481 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → 𝐴 ∈ 𝐵) |
35 | 6, 26, 5 | ringinvcl 18676 | . . . . . . 7 ⊢ ((𝑍 ∈ Ring ∧ 𝐴 ∈ 𝑈) → ((invr‘𝑍)‘𝐴) ∈ 𝐵) |
36 | 25, 35 | sylan 488 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → ((invr‘𝑍)‘𝐴) ∈ 𝐵) |
37 | eqid 2622 | . . . . . . . 8 ⊢ (mulGrp‘𝑍) = (mulGrp‘𝑍) | |
38 | 37, 5 | mgpbas 18495 | . . . . . . 7 ⊢ 𝐵 = (Base‘(mulGrp‘𝑍)) |
39 | 37, 27 | mgpplusg 18493 | . . . . . . 7 ⊢ (.r‘𝑍) = (+g‘(mulGrp‘𝑍)) |
40 | eqid 2622 | . . . . . . . 8 ⊢ (mulGrp‘ℂfld) = (mulGrp‘ℂfld) | |
41 | cnfldmul 19752 | . . . . . . . 8 ⊢ · = (.r‘ℂfld) | |
42 | 40, 41 | mgpplusg 18493 | . . . . . . 7 ⊢ · = (+g‘(mulGrp‘ℂfld)) |
43 | 38, 39, 42 | mhmlin 17342 | . . . . . 6 ⊢ ((𝑋 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld)) ∧ 𝐴 ∈ 𝐵 ∧ ((invr‘𝑍)‘𝐴) ∈ 𝐵) → (𝑋‘(𝐴(.r‘𝑍)((invr‘𝑍)‘𝐴))) = ((𝑋‘𝐴) · (𝑋‘((invr‘𝑍)‘𝐴)))) |
44 | 33, 34, 36, 43 | syl3anc 1326 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → (𝑋‘(𝐴(.r‘𝑍)((invr‘𝑍)‘𝐴))) = ((𝑋‘𝐴) · (𝑋‘((invr‘𝑍)‘𝐴)))) |
45 | 37, 28 | ringidval 18503 | . . . . . . 7 ⊢ (1r‘𝑍) = (0g‘(mulGrp‘𝑍)) |
46 | cnfld1 19771 | . . . . . . . 8 ⊢ 1 = (1r‘ℂfld) | |
47 | 40, 46 | ringidval 18503 | . . . . . . 7 ⊢ 1 = (0g‘(mulGrp‘ℂfld)) |
48 | 45, 47 | mhm0 17343 | . . . . . 6 ⊢ (𝑋 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld)) → (𝑋‘(1r‘𝑍)) = 1) |
49 | 33, 48 | syl 17 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → (𝑋‘(1r‘𝑍)) = 1) |
50 | 31, 44, 49 | 3eqtr3d 2664 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → ((𝑋‘𝐴) · (𝑋‘((invr‘𝑍)‘𝐴))) = 1) |
51 | cnfldbas 19750 | . . . . . . . . 9 ⊢ ℂ = (Base‘ℂfld) | |
52 | 40, 51 | mgpbas 18495 | . . . . . . . 8 ⊢ ℂ = (Base‘(mulGrp‘ℂfld)) |
53 | 38, 52 | mhmf 17340 | . . . . . . 7 ⊢ (𝑋 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld)) → 𝑋:𝐵⟶ℂ) |
54 | 33, 53 | syl 17 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → 𝑋:𝐵⟶ℂ) |
55 | 54, 36 | ffvelrnd 6360 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → (𝑋‘((invr‘𝑍)‘𝐴)) ∈ ℂ) |
56 | 55 | mul02d 10234 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → (0 · (𝑋‘((invr‘𝑍)‘𝐴))) = 0) |
57 | 21, 50, 56 | 3netr4d 2871 | . . 3 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → ((𝑋‘𝐴) · (𝑋‘((invr‘𝑍)‘𝐴))) ≠ (0 · (𝑋‘((invr‘𝑍)‘𝐴)))) |
58 | oveq1 6657 | . . . 4 ⊢ ((𝑋‘𝐴) = 0 → ((𝑋‘𝐴) · (𝑋‘((invr‘𝑍)‘𝐴))) = (0 · (𝑋‘((invr‘𝑍)‘𝐴)))) | |
59 | 58 | necon3i 2826 | . . 3 ⊢ (((𝑋‘𝐴) · (𝑋‘((invr‘𝑍)‘𝐴))) ≠ (0 · (𝑋‘((invr‘𝑍)‘𝐴))) → (𝑋‘𝐴) ≠ 0) |
60 | 57, 59 | syl 17 | . 2 ⊢ ((𝜑 ∧ 𝐴 ∈ 𝑈) → (𝑋‘𝐴) ≠ 0) |
61 | 19, 60 | impbida 877 | 1 ⊢ (𝜑 → ((𝑋‘𝐴) ≠ 0 ↔ 𝐴 ∈ 𝑈)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ wa 384 = wceq 1483 ∈ wcel 1990 ≠ wne 2794 ∀wral 2912 ⟶wf 5884 ‘cfv 5888 (class class class)co 6650 ℂcc 9934 0cc0 9936 1c1 9937 · cmul 9941 ℕcn 11020 ℕ0cn0 11292 Basecbs 15857 .rcmulr 15942 MndHom cmhm 17333 mulGrpcmgp 18489 1rcur 18501 Ringcrg 18547 CRingccrg 18548 Unitcui 18639 invrcinvr 18671 ℂfldccnfld 19746 ℤ/nℤczn 19851 DChrcdchr 24957 |
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-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-addf 10015 ax-mulf 10016 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 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-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-tpos 7352 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-ec 7744 df-qs 7748 df-map 7859 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-sup 8348 df-inf 8349 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 df-9 11086 df-n0 11293 df-z 11378 df-dec 11494 df-uz 11688 df-fz 12327 df-struct 15859 df-ndx 15860 df-slot 15861 df-base 15863 df-sets 15864 df-ress 15865 df-plusg 15954 df-mulr 15955 df-starv 15956 df-sca 15957 df-vsca 15958 df-ip 15959 df-tset 15960 df-ple 15961 df-ds 15964 df-unif 15965 df-0g 16102 df-imas 16168 df-qus 16169 df-mgm 17242 df-sgrp 17284 df-mnd 17295 df-mhm 17335 df-grp 17425 df-minusg 17426 df-sbg 17427 df-subg 17591 df-nsg 17592 df-eqg 17593 df-cmn 18195 df-abl 18196 df-mgp 18490 df-ur 18502 df-ring 18549 df-cring 18550 df-oppr 18623 df-dvdsr 18641 df-unit 18642 df-invr 18672 df-subrg 18778 df-lmod 18865 df-lss 18933 df-lsp 18972 df-sra 19172 df-rgmod 19173 df-lidl 19174 df-rsp 19175 df-2idl 19232 df-cnfld 19747 df-zring 19819 df-zn 19855 df-dchr 24958 |
This theorem is referenced by: dchrinvcl 24978 dchrfi 24980 dchrghm 24981 dchreq 24983 dchrabs 24985 dchrabs2 24987 dchr1re 24988 dchrpt 24992 dchrsum 24994 sum2dchr 24999 rpvmasumlem 25176 dchrisum0flblem1 25197 |
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