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| Mirrors > Home > MPE Home > Th. List > dchr1 | Structured version Visualization version GIF version | ||
| Description: Value of the principal Dirichlet character. (Contributed by Mario Carneiro, 28-Apr-2016.) |
| Ref | Expression |
|---|---|
| dchr1.g | ⊢ 𝐺 = (DChr‘𝑁) |
| dchr1.z | ⊢ 𝑍 = (ℤ/nℤ‘𝑁) |
| dchr1.o | ⊢ 1 = (0g‘𝐺) |
| dchr1.u | ⊢ 𝑈 = (Unit‘𝑍) |
| dchr1.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| dchr1.a | ⊢ (𝜑 → 𝐴 ∈ 𝑈) |
| Ref | Expression |
|---|---|
| dchr1 | ⊢ (𝜑 → ( 1 ‘𝐴) = 1) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dchr1.g | . . . 4 ⊢ 𝐺 = (DChr‘𝑁) | |
| 2 | dchr1.z | . . . 4 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
| 3 | eqid 2760 | . . . 4 ⊢ (Base‘𝐺) = (Base‘𝐺) | |
| 4 | eqid 2760 | . . . 4 ⊢ (Base‘𝑍) = (Base‘𝑍) | |
| 5 | dchr1.u | . . . 4 ⊢ 𝑈 = (Unit‘𝑍) | |
| 6 | eqid 2760 | . . . 4 ⊢ (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) | |
| 7 | dchr1.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
| 8 | 1, 2, 3, 4, 5, 6, 7 | dchr1cl 27541 | . . 3 ⊢ (𝜑 → (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺)) |
| 9 | eleq1w 2843 | . . . . . 6 ⊢ (𝑘 = 𝑥 → (𝑘 ∈ 𝑈 ↔ 𝑥 ∈ 𝑈)) | |
| 10 | 9 | ifbid 4505 | . . . . 5 ⊢ (𝑘 = 𝑥 → if(𝑘 ∈ 𝑈, 1, 0) = if(𝑥 ∈ 𝑈, 1, 0)) |
| 11 | 10 | cbvmptv 5208 | . . . 4 ⊢ (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) = (𝑥 ∈ (Base‘𝑍) ↦ if(𝑥 ∈ 𝑈, 1, 0)) |
| 12 | eqid 2760 | . . . 4 ⊢ (+g‘𝐺) = (+g‘𝐺) | |
| 13 | 1, 2, 3, 4, 5, 11, 12, 8 | dchrmullid 27542 | . . 3 ⊢ (𝜑 → ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) |
| 14 | 1 | dchrabl 27544 | . . . 4 ⊢ (𝑁 ∈ ℕ → 𝐺 ∈ Abel) |
| 15 | ablgrp 19960 | . . . 4 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp) | |
| 16 | dchr1.o | . . . . 5 ⊢ 1 = (0g‘𝐺) | |
| 17 | 3, 12, 16 | isgrpid2 19148 | . . . 4 ⊢ (𝐺 ∈ Grp → (((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺) ∧ ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) ↔ 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)))) |
| 18 | 7, 14, 15, 17 | 4syl 20 | . . 3 ⊢ (𝜑 → (((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)) ∈ (Base‘𝐺) ∧ ((𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))(+g‘𝐺)(𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) ↔ 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0)))) |
| 19 | 8, 13, 18 | mpbi2and 725 | . 2 ⊢ (𝜑 → 1 = (𝑘 ∈ (Base‘𝑍) ↦ if(𝑘 ∈ 𝑈, 1, 0))) |
| 20 | simpr 490 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝑘 = 𝐴) | |
| 21 | dchr1.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑈) | |
| 22 | 21 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝐴 ∈ 𝑈) |
| 23 | 20, 22 | eqeltrd 2860 | . . 3 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → 𝑘 ∈ 𝑈) |
| 24 | 23 | iftrued 4489 | . 2 ⊢ ((𝜑 ∧ 𝑘 = 𝐴) → if(𝑘 ∈ 𝑈, 1, 0) = 1) |
| 25 | 4, 5 | unitss 20567 | . . 3 ⊢ 𝑈 ⊆ (Base‘𝑍) |
| 26 | 25, 21 | sselid 3928 | . 2 ⊢ (𝜑 → 𝐴 ∈ (Base‘𝑍)) |
| 27 | 1cnd 11273 | . 2 ⊢ (𝜑 → 1 ∈ ℂ) | |
| 28 | 19, 24, 26, 27 | fvmptd 6989 | 1 ⊢ (𝜑 → ( 1 ‘𝐴) = 1) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ifcif 4481 ↦ cmpt 5185 ‘cfv 6527 (class class class)co 7408 ℂcc 11169 0cc0 11171 1c1 11172 ℕcn 12304 Basecbs 17348 +gcplusg 17389 0gc0g 17571 Grpcgrp 19105 Abelcabl 19956 Unitcui 20546 ℤ/nℤczn 21769 DChrcdchr 27522 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 ax-addf 11250 ax-mulf 11251 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-of 7676 df-om 7861 df-1st 7984 df-2nd 7985 df-tpos 8221 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8454 df-er 8695 df-ec 8697 df-qs 8701 df-map 8827 df-en 8952 df-dom 8953 df-sdom 8954 df-fin 8955 df-sup 9412 df-inf 9413 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-div 11943 df-nn 12305 df-2 12374 df-3 12375 df-4 12376 df-5 12377 df-6 12378 df-7 12379 df-8 12380 df-9 12381 df-n0 12576 df-z 12663 df-dec 12784 df-uz 12935 df-fz 13609 df-struct 17286 df-sets 17303 df-slot 17321 df-ndx 17333 df-base 17349 df-ress 17370 df-plusg 17402 df-mulr 17403 df-starv 17404 df-sca 17405 df-vsca 17406 df-ip 17407 df-tset 17408 df-ple 17409 df-ds 17411 df-unif 17412 df-0g 17573 df-imas 17641 df-qus 17642 df-mgm 18777 df-sgrp 18869 df-mnd 18885 df-mhm 18939 df-grp 19108 df-minusg 19109 df-sbg 19110 df-subg 19294 df-nsg 19295 df-eqg 19296 df-cmn 19957 df-abl 19958 df-mgp 20322 df-rng 20336 df-ur 20369 df-ring 20422 df-cring 20423 df-oppr 20528 df-dvdsr 20548 df-unit 20549 df-invr 20579 df-subrng 20759 df-subrg 20783 df-lmod 21098 df-lss 21168 df-lsp 21208 df-sra 21409 df-rgmod 21410 df-lidl 21447 df-rsp 21448 df-2idl 21504 df-cnfld 21640 df-zring 21714 df-zn 21773 df-dchr 27523 |
| This theorem is used by: dchrinv 27551 dchr1re 27553 dchrsum2 27558 rpvmasumlem 27777 rpvmasum2 27802 |
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