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Mirrors > Home > MPE Home > Th. List > dchrrcl | Structured version Visualization version GIF version |
Description: Reverse closure for a Dirichlet character. (Contributed by Mario Carneiro, 12-May-2016.) |
Ref | Expression |
---|---|
dchrrcl.g | ⊢ 𝐺 = (DChr‘𝑁) |
dchrrcl.b | ⊢ 𝐷 = (Base‘𝐺) |
Ref | Expression |
---|---|
dchrrcl | ⊢ (𝑋 ∈ 𝐷 → 𝑁 ∈ ℕ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-dchr 25811 | . . 3 ⊢ DChr = (𝑛 ∈ ℕ ↦ ⦋(ℤ/nℤ‘𝑛) / 𝑧⦌⦋{𝑥 ∈ ((mulGrp‘𝑧) MndHom (mulGrp‘ℂfld)) ∣ (((Base‘𝑧) ∖ (Unit‘𝑧)) × {0}) ⊆ 𝑥} / 𝑏⦌{〈(Base‘ndx), 𝑏〉, 〈(+g‘ndx), ( ∘f · ↾ (𝑏 × 𝑏))〉}) | |
2 | 1 | dmmptss 6097 | . 2 ⊢ dom DChr ⊆ ℕ |
3 | n0i 4301 | . . 3 ⊢ (𝑋 ∈ 𝐷 → ¬ 𝐷 = ∅) | |
4 | dchrrcl.g | . . . . 5 ⊢ 𝐺 = (DChr‘𝑁) | |
5 | ndmfv 6702 | . . . . 5 ⊢ (¬ 𝑁 ∈ dom DChr → (DChr‘𝑁) = ∅) | |
6 | 4, 5 | syl5eq 2870 | . . . 4 ⊢ (¬ 𝑁 ∈ dom DChr → 𝐺 = ∅) |
7 | fveq2 6672 | . . . . 5 ⊢ (𝐺 = ∅ → (Base‘𝐺) = (Base‘∅)) | |
8 | dchrrcl.b | . . . . 5 ⊢ 𝐷 = (Base‘𝐺) | |
9 | base0 16538 | . . . . 5 ⊢ ∅ = (Base‘∅) | |
10 | 7, 8, 9 | 3eqtr4g 2883 | . . . 4 ⊢ (𝐺 = ∅ → 𝐷 = ∅) |
11 | 6, 10 | syl 17 | . . 3 ⊢ (¬ 𝑁 ∈ dom DChr → 𝐷 = ∅) |
12 | 3, 11 | nsyl2 143 | . 2 ⊢ (𝑋 ∈ 𝐷 → 𝑁 ∈ dom DChr) |
13 | 2, 12 | sseldi 3967 | 1 ⊢ (𝑋 ∈ 𝐷 → 𝑁 ∈ ℕ) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 = wceq 1537 ∈ wcel 2114 {crab 3144 ⦋csb 3885 ∖ cdif 3935 ⊆ wss 3938 ∅c0 4293 {csn 4569 {cpr 4571 〈cop 4575 × cxp 5555 dom cdm 5557 ↾ cres 5559 ‘cfv 6357 (class class class)co 7158 ∘f cof 7409 0cc0 10539 · cmul 10544 ℕcn 11640 ndxcnx 16482 Basecbs 16485 +gcplusg 16567 MndHom cmhm 17956 mulGrpcmgp 19241 Unitcui 19391 ℂfldccnfld 20547 ℤ/nℤczn 20652 DChrcdchr 25810 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ral 3145 df-rex 3146 df-rab 3149 df-v 3498 df-sbc 3775 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-iota 6316 df-fun 6359 df-fv 6365 df-slot 16489 df-base 16491 df-dchr 25811 |
This theorem is referenced by: dchrmhm 25819 dchrf 25820 dchrelbas4 25821 dchrzrh1 25822 dchrzrhcl 25823 dchrzrhmul 25824 dchrmul 25826 dchrmulcl 25827 dchrn0 25828 dchrmulid2 25830 dchrinvcl 25831 dchrghm 25834 dchrabs 25838 dchrinv 25839 dchrsum2 25846 dchrsum 25847 dchr2sum 25851 |
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