| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > dchrplusg | 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) |
| dchrplusg.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| Ref | Expression |
|---|---|
| dchrplusg | ⊢ (𝜑 → · = ( ∘f · ↾ (𝐷 × 𝐷))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dchrmhm.g | . . . 4 ⊢ 𝐺 = (DChr‘𝑁) | |
| 2 | dchrmhm.z | . . . 4 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
| 3 | eqid 2737 | . . . 4 ⊢ (Base‘𝑍) = (Base‘𝑍) | |
| 4 | eqid 2737 | . . . 4 ⊢ (Unit‘𝑍) = (Unit‘𝑍) | |
| 5 | dchrplusg.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
| 6 | dchrmhm.b | . . . . 5 ⊢ 𝐷 = (Base‘𝐺) | |
| 7 | 1, 2, 3, 4, 5, 6 | dchrbas 27206 | . . . 4 ⊢ (𝜑 → 𝐷 = {𝑥 ∈ ((mulGrp‘𝑍) MndHom (mulGrp‘ℂfld)) ∣ (((Base‘𝑍) ∖ (Unit‘𝑍)) × {0}) ⊆ 𝑥}) |
| 8 | 1, 2, 3, 4, 5, 7 | dchrval 27205 | . . 3 ⊢ (𝜑 → 𝐺 = {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉}) |
| 9 | 8 | fveq2d 6839 | . 2 ⊢ (𝜑 → (+g‘𝐺) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉})) |
| 10 | dchrmul.t | . 2 ⊢ · = (+g‘𝐺) | |
| 11 | 6 | fvexi 6849 | . . . 4 ⊢ 𝐷 ∈ V |
| 12 | 11, 11 | xpex 7700 | . . 3 ⊢ (𝐷 × 𝐷) ∈ V |
| 13 | ofexg 7629 | . . 3 ⊢ ((𝐷 × 𝐷) ∈ V → ( ∘f · ↾ (𝐷 × 𝐷)) ∈ V) | |
| 14 | eqid 2737 | . . . 4 ⊢ {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉} = {〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉} | |
| 15 | 14 | grpplusg 17214 | . . 3 ⊢ (( ∘f · ↾ (𝐷 × 𝐷)) ∈ V → ( ∘f · ↾ (𝐷 × 𝐷)) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉})) |
| 16 | 12, 13, 15 | mp2b 10 | . 2 ⊢ ( ∘f · ↾ (𝐷 × 𝐷)) = (+g‘{〈(Base‘ndx), 𝐷〉, 〈(+g‘ndx), ( ∘f · ↾ (𝐷 × 𝐷))〉}) |
| 17 | 9, 10, 16 | 3eqtr4g 2797 | 1 ⊢ (𝜑 → · = ( ∘f · ↾ (𝐷 × 𝐷))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 Vcvv 3441 {cpr 4583 〈cop 4587 × cxp 5623 ↾ cres 5627 ‘cfv 6493 ∘f cof 7622 · cmul 11035 ℕcn 12149 ndxcnx 17124 Basecbs 17140 +gcplusg 17181 Unitcui 20295 ℤ/nℤczn 21461 DChrcdchr 27203 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5225 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7682 ax-cnex 11086 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-addrcl 11091 ax-mulcl 11092 ax-mulrcl 11093 ax-mulcom 11094 ax-addass 11095 ax-mulass 11096 ax-distr 11097 ax-i2m1 11098 ax-1ne0 11099 ax-1rid 11100 ax-rnegex 11101 ax-rrecex 11102 ax-cnre 11103 ax-pre-lttri 11104 ax-pre-lttrn 11105 ax-pre-ltadd 11106 ax-pre-mulgt0 11107 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-of 7624 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-nn 12150 df-2 12212 df-n0 12406 df-z 12493 df-uz 12756 df-fz 13428 df-struct 17078 df-slot 17113 df-ndx 17125 df-base 17141 df-plusg 17194 df-dchr 27204 |
| This theorem is referenced by: dchrmul 27219 |
| Copyright terms: Public domain | W3C validator |