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Mirrors > Home > MPE Home > Th. List > dchrmul | Structured version Visualization version GIF version |
Description: Group operation on the group of Dirichlet characters. (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) |
dchrmul.t | ⊢ · = (+g‘𝐺) |
dchrmul.x | ⊢ (𝜑 → 𝑋 ∈ 𝐷) |
dchrmul.y | ⊢ (𝜑 → 𝑌 ∈ 𝐷) |
Ref | Expression |
---|---|
dchrmul | ⊢ (𝜑 → (𝑋 · 𝑌) = (𝑋 ∘f · 𝑌)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dchrmhm.g | . . . 4 ⊢ 𝐺 = (DChr‘𝑁) | |
2 | dchrmhm.z | . . . 4 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
3 | dchrmhm.b | . . . 4 ⊢ 𝐷 = (Base‘𝐺) | |
4 | dchrmul.t | . . . 4 ⊢ · = (+g‘𝐺) | |
5 | dchrmul.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ 𝐷) | |
6 | 1, 3 | dchrrcl 25815 | . . . . 5 ⊢ (𝑋 ∈ 𝐷 → 𝑁 ∈ ℕ) |
7 | 5, 6 | syl 17 | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) |
8 | 1, 2, 3, 4, 7 | dchrplusg 25822 | . . 3 ⊢ (𝜑 → · = ( ∘f · ↾ (𝐷 × 𝐷))) |
9 | 8 | oveqd 7172 | . 2 ⊢ (𝜑 → (𝑋 · 𝑌) = (𝑋( ∘f · ↾ (𝐷 × 𝐷))𝑌)) |
10 | dchrmul.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ 𝐷) | |
11 | 5, 10 | ofmresval 7421 | . 2 ⊢ (𝜑 → (𝑋( ∘f · ↾ (𝐷 × 𝐷))𝑌) = (𝑋 ∘f · 𝑌)) |
12 | 9, 11 | eqtrd 2856 | 1 ⊢ (𝜑 → (𝑋 · 𝑌) = (𝑋 ∘f · 𝑌)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2110 × cxp 5552 ↾ cres 5556 ‘cfv 6354 (class class class)co 7155 ∘f cof 7406 · cmul 10541 ℕcn 11637 Basecbs 16482 +gcplusg 16564 ℤ/nℤczn 20649 DChrcdchr 25807 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-rep 5189 ax-sep 5202 ax-nul 5209 ax-pow 5265 ax-pr 5329 ax-un 7460 ax-cnex 10592 ax-resscn 10593 ax-1cn 10594 ax-icn 10595 ax-addcl 10596 ax-addrcl 10597 ax-mulcl 10598 ax-mulrcl 10599 ax-mulcom 10600 ax-addass 10601 ax-mulass 10602 ax-distr 10603 ax-i2m1 10604 ax-1ne0 10605 ax-1rid 10606 ax-rnegex 10607 ax-rrecex 10608 ax-cnre 10609 ax-pre-lttri 10610 ax-pre-lttrn 10611 ax-pre-ltadd 10612 ax-pre-mulgt0 10613 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4838 df-int 4876 df-iun 4920 df-br 5066 df-opab 5128 df-mpt 5146 df-tr 5172 df-id 5459 df-eprel 5464 df-po 5473 df-so 5474 df-fr 5513 df-we 5515 df-xp 5560 df-rel 5561 df-cnv 5562 df-co 5563 df-dm 5564 df-rn 5565 df-res 5566 df-ima 5567 df-pred 6147 df-ord 6193 df-on 6194 df-lim 6195 df-suc 6196 df-iota 6313 df-fun 6356 df-fn 6357 df-f 6358 df-f1 6359 df-fo 6360 df-f1o 6361 df-fv 6362 df-riota 7113 df-ov 7158 df-oprab 7159 df-mpo 7160 df-of 7408 df-om 7580 df-1st 7688 df-2nd 7689 df-wrecs 7946 df-recs 8007 df-rdg 8045 df-1o 8101 df-oadd 8105 df-er 8288 df-en 8509 df-dom 8510 df-sdom 8511 df-fin 8512 df-pnf 10676 df-mnf 10677 df-xr 10678 df-ltxr 10679 df-le 10680 df-sub 10871 df-neg 10872 df-nn 11638 df-2 11699 df-n0 11897 df-z 11981 df-uz 12243 df-fz 12892 df-struct 16484 df-ndx 16485 df-slot 16486 df-base 16488 df-plusg 16577 df-dchr 25808 |
This theorem is referenced by: dchrmulcl 25824 dchrmulid2 25827 dchrinvcl 25828 dchrabl 25829 dchrinv 25836 sumdchr2 25845 dchr2sum 25848 |
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