Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > zrhpsgnmhm | Structured version Visualization version GIF version |
Description: Embedding of permutation signs into an arbitrary ring is a homomorphism. (Contributed by SO, 9-Jul-2018.) |
Ref | Expression |
---|---|
zrhpsgnmhm | ⊢ ((𝑅 ∈ Ring ∧ 𝐴 ∈ Fin) → ((ℤRHom‘𝑅) ∘ (pmSgn‘𝐴)) ∈ ((SymGrp‘𝐴) MndHom (mulGrp‘𝑅))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2738 | . . . 4 ⊢ (ℤRHom‘𝑅) = (ℤRHom‘𝑅) | |
2 | 1 | zrhrhm 20625 | . . 3 ⊢ (𝑅 ∈ Ring → (ℤRHom‘𝑅) ∈ (ℤring RingHom 𝑅)) |
3 | eqid 2738 | . . . 4 ⊢ (mulGrp‘ℤring) = (mulGrp‘ℤring) | |
4 | eqid 2738 | . . . 4 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
5 | 3, 4 | rhmmhm 19881 | . . 3 ⊢ ((ℤRHom‘𝑅) ∈ (ℤring RingHom 𝑅) → (ℤRHom‘𝑅) ∈ ((mulGrp‘ℤring) MndHom (mulGrp‘𝑅))) |
6 | 2, 5 | syl 17 | . 2 ⊢ (𝑅 ∈ Ring → (ℤRHom‘𝑅) ∈ ((mulGrp‘ℤring) MndHom (mulGrp‘𝑅))) |
7 | eqid 2738 | . . . . 5 ⊢ (SymGrp‘𝐴) = (SymGrp‘𝐴) | |
8 | eqid 2738 | . . . . 5 ⊢ (pmSgn‘𝐴) = (pmSgn‘𝐴) | |
9 | eqid 2738 | . . . . 5 ⊢ ((mulGrp‘ℂfld) ↾s {1, -1}) = ((mulGrp‘ℂfld) ↾s {1, -1}) | |
10 | 7, 8, 9 | psgnghm2 20698 | . . . 4 ⊢ (𝐴 ∈ Fin → (pmSgn‘𝐴) ∈ ((SymGrp‘𝐴) GrpHom ((mulGrp‘ℂfld) ↾s {1, -1}))) |
11 | ghmmhm 18759 | . . . 4 ⊢ ((pmSgn‘𝐴) ∈ ((SymGrp‘𝐴) GrpHom ((mulGrp‘ℂfld) ↾s {1, -1})) → (pmSgn‘𝐴) ∈ ((SymGrp‘𝐴) MndHom ((mulGrp‘ℂfld) ↾s {1, -1}))) | |
12 | 10, 11 | syl 17 | . . 3 ⊢ (𝐴 ∈ Fin → (pmSgn‘𝐴) ∈ ((SymGrp‘𝐴) MndHom ((mulGrp‘ℂfld) ↾s {1, -1}))) |
13 | eqid 2738 | . . . . . . . 8 ⊢ ((mulGrp‘ℂfld) ↾s (ℂ ∖ {0})) = ((mulGrp‘ℂfld) ↾s (ℂ ∖ {0})) | |
14 | 13 | cnmsgnsubg 20694 | . . . . . . 7 ⊢ {1, -1} ∈ (SubGrp‘((mulGrp‘ℂfld) ↾s (ℂ ∖ {0}))) |
15 | subgsubm 18692 | . . . . . . 7 ⊢ ({1, -1} ∈ (SubGrp‘((mulGrp‘ℂfld) ↾s (ℂ ∖ {0}))) → {1, -1} ∈ (SubMnd‘((mulGrp‘ℂfld) ↾s (ℂ ∖ {0})))) | |
16 | 14, 15 | ax-mp 5 | . . . . . 6 ⊢ {1, -1} ∈ (SubMnd‘((mulGrp‘ℂfld) ↾s (ℂ ∖ {0}))) |
17 | cnring 20532 | . . . . . . 7 ⊢ ℂfld ∈ Ring | |
18 | cnfldbas 20514 | . . . . . . . . 9 ⊢ ℂ = (Base‘ℂfld) | |
19 | cnfld0 20534 | . . . . . . . . 9 ⊢ 0 = (0g‘ℂfld) | |
20 | cndrng 20539 | . . . . . . . . 9 ⊢ ℂfld ∈ DivRing | |
21 | 18, 19, 20 | drngui 19912 | . . . . . . . 8 ⊢ (ℂ ∖ {0}) = (Unit‘ℂfld) |
22 | eqid 2738 | . . . . . . . 8 ⊢ (mulGrp‘ℂfld) = (mulGrp‘ℂfld) | |
23 | 21, 22 | unitsubm 19827 | . . . . . . 7 ⊢ (ℂfld ∈ Ring → (ℂ ∖ {0}) ∈ (SubMnd‘(mulGrp‘ℂfld))) |
24 | 13 | subsubm 18370 | . . . . . . 7 ⊢ ((ℂ ∖ {0}) ∈ (SubMnd‘(mulGrp‘ℂfld)) → ({1, -1} ∈ (SubMnd‘((mulGrp‘ℂfld) ↾s (ℂ ∖ {0}))) ↔ ({1, -1} ∈ (SubMnd‘(mulGrp‘ℂfld)) ∧ {1, -1} ⊆ (ℂ ∖ {0})))) |
25 | 17, 23, 24 | mp2b 10 | . . . . . 6 ⊢ ({1, -1} ∈ (SubMnd‘((mulGrp‘ℂfld) ↾s (ℂ ∖ {0}))) ↔ ({1, -1} ∈ (SubMnd‘(mulGrp‘ℂfld)) ∧ {1, -1} ⊆ (ℂ ∖ {0}))) |
26 | 16, 25 | mpbi 229 | . . . . 5 ⊢ ({1, -1} ∈ (SubMnd‘(mulGrp‘ℂfld)) ∧ {1, -1} ⊆ (ℂ ∖ {0})) |
27 | 26 | simpli 483 | . . . 4 ⊢ {1, -1} ∈ (SubMnd‘(mulGrp‘ℂfld)) |
28 | 1z 12280 | . . . . 5 ⊢ 1 ∈ ℤ | |
29 | neg1z 12286 | . . . . 5 ⊢ -1 ∈ ℤ | |
30 | prssi 4751 | . . . . 5 ⊢ ((1 ∈ ℤ ∧ -1 ∈ ℤ) → {1, -1} ⊆ ℤ) | |
31 | 28, 29, 30 | mp2an 688 | . . . 4 ⊢ {1, -1} ⊆ ℤ |
32 | zsubrg 20563 | . . . . 5 ⊢ ℤ ∈ (SubRing‘ℂfld) | |
33 | 22 | subrgsubm 19952 | . . . . 5 ⊢ (ℤ ∈ (SubRing‘ℂfld) → ℤ ∈ (SubMnd‘(mulGrp‘ℂfld))) |
34 | zringmpg 20605 | . . . . . . 7 ⊢ ((mulGrp‘ℂfld) ↾s ℤ) = (mulGrp‘ℤring) | |
35 | 34 | eqcomi 2747 | . . . . . 6 ⊢ (mulGrp‘ℤring) = ((mulGrp‘ℂfld) ↾s ℤ) |
36 | 35 | subsubm 18370 | . . . . 5 ⊢ (ℤ ∈ (SubMnd‘(mulGrp‘ℂfld)) → ({1, -1} ∈ (SubMnd‘(mulGrp‘ℤring)) ↔ ({1, -1} ∈ (SubMnd‘(mulGrp‘ℂfld)) ∧ {1, -1} ⊆ ℤ))) |
37 | 32, 33, 36 | mp2b 10 | . . . 4 ⊢ ({1, -1} ∈ (SubMnd‘(mulGrp‘ℤring)) ↔ ({1, -1} ∈ (SubMnd‘(mulGrp‘ℂfld)) ∧ {1, -1} ⊆ ℤ)) |
38 | 27, 31, 37 | mpbir2an 707 | . . 3 ⊢ {1, -1} ∈ (SubMnd‘(mulGrp‘ℤring)) |
39 | zex 12258 | . . . . . 6 ⊢ ℤ ∈ V | |
40 | ressabs 16885 | . . . . . 6 ⊢ ((ℤ ∈ V ∧ {1, -1} ⊆ ℤ) → (((mulGrp‘ℂfld) ↾s ℤ) ↾s {1, -1}) = ((mulGrp‘ℂfld) ↾s {1, -1})) | |
41 | 39, 31, 40 | mp2an 688 | . . . . 5 ⊢ (((mulGrp‘ℂfld) ↾s ℤ) ↾s {1, -1}) = ((mulGrp‘ℂfld) ↾s {1, -1}) |
42 | 34 | oveq1i 7265 | . . . . 5 ⊢ (((mulGrp‘ℂfld) ↾s ℤ) ↾s {1, -1}) = ((mulGrp‘ℤring) ↾s {1, -1}) |
43 | 41, 42 | eqtr3i 2768 | . . . 4 ⊢ ((mulGrp‘ℂfld) ↾s {1, -1}) = ((mulGrp‘ℤring) ↾s {1, -1}) |
44 | 43 | resmhm2 18375 | . . 3 ⊢ (((pmSgn‘𝐴) ∈ ((SymGrp‘𝐴) MndHom ((mulGrp‘ℂfld) ↾s {1, -1})) ∧ {1, -1} ∈ (SubMnd‘(mulGrp‘ℤring))) → (pmSgn‘𝐴) ∈ ((SymGrp‘𝐴) MndHom (mulGrp‘ℤring))) |
45 | 12, 38, 44 | sylancl 585 | . 2 ⊢ (𝐴 ∈ Fin → (pmSgn‘𝐴) ∈ ((SymGrp‘𝐴) MndHom (mulGrp‘ℤring))) |
46 | mhmco 18377 | . 2 ⊢ (((ℤRHom‘𝑅) ∈ ((mulGrp‘ℤring) MndHom (mulGrp‘𝑅)) ∧ (pmSgn‘𝐴) ∈ ((SymGrp‘𝐴) MndHom (mulGrp‘ℤring))) → ((ℤRHom‘𝑅) ∘ (pmSgn‘𝐴)) ∈ ((SymGrp‘𝐴) MndHom (mulGrp‘𝑅))) | |
47 | 6, 45, 46 | syl2an 595 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝐴 ∈ Fin) → ((ℤRHom‘𝑅) ∘ (pmSgn‘𝐴)) ∈ ((SymGrp‘𝐴) MndHom (mulGrp‘𝑅))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1539 ∈ wcel 2108 Vcvv 3422 ∖ cdif 3880 ⊆ wss 3883 {csn 4558 {cpr 4560 ∘ ccom 5584 ‘cfv 6418 (class class class)co 7255 Fincfn 8691 ℂcc 10800 0cc0 10802 1c1 10803 -cneg 11136 ℤcz 12249 ↾s cress 16867 MndHom cmhm 18343 SubMndcsubmnd 18344 SubGrpcsubg 18664 GrpHom cghm 18746 SymGrpcsymg 18889 pmSgncpsgn 19012 mulGrpcmgp 19635 Ringcrg 19698 RingHom crh 19871 SubRingcsubrg 19935 ℂfldccnfld 20510 ℤringzring 20582 ℤRHomczrh 20613 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-addf 10881 ax-mulf 10882 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-xor 1504 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-ot 4567 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-tpos 8013 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-er 8456 df-map 8575 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-xnn0 12236 df-z 12250 df-dec 12367 df-uz 12512 df-rp 12660 df-fz 13169 df-fzo 13312 df-seq 13650 df-exp 13711 df-hash 13973 df-word 14146 df-lsw 14194 df-concat 14202 df-s1 14229 df-substr 14282 df-pfx 14312 df-splice 14391 df-reverse 14400 df-s2 14489 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-starv 16903 df-tset 16907 df-ple 16908 df-ds 16910 df-unif 16911 df-0g 17069 df-gsum 17070 df-mre 17212 df-mrc 17213 df-acs 17215 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-mhm 18345 df-submnd 18346 df-efmnd 18423 df-grp 18495 df-minusg 18496 df-mulg 18616 df-subg 18667 df-ghm 18747 df-gim 18790 df-oppg 18865 df-symg 18890 df-pmtr 18965 df-psgn 19014 df-cmn 19303 df-abl 19304 df-mgp 19636 df-ur 19653 df-ring 19700 df-cring 19701 df-oppr 19777 df-dvdsr 19798 df-unit 19799 df-invr 19829 df-dvr 19840 df-rnghom 19874 df-drng 19908 df-subrg 19937 df-cnfld 20511 df-zring 20583 df-zrh 20617 |
This theorem is referenced by: madetsumid 21518 mdetleib2 21645 mdetf 21652 mdetdiaglem 21655 mdetrlin 21659 mdetrsca 21660 mdetralt 21665 mdetunilem7 21675 mdetunilem8 21676 |
Copyright terms: Public domain | W3C validator |