Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > gexdvdsi | Structured version Visualization version GIF version |
Description: Any group element is annihilated by any multiple of the group exponent. (Contributed by Mario Carneiro, 24-Apr-2016.) |
Ref | Expression |
---|---|
gexcl.1 | ⊢ 𝑋 = (Base‘𝐺) |
gexcl.2 | ⊢ 𝐸 = (gEx‘𝐺) |
gexid.3 | ⊢ · = (.g‘𝐺) |
gexid.4 | ⊢ 0 = (0g‘𝐺) |
Ref | Expression |
---|---|
gexdvdsi | ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) → (𝑁 · 𝐴) = 0 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp3 1136 | . . . 4 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) → 𝐸 ∥ 𝑁) | |
2 | dvdszrcl 15653 | . . . . 5 ⊢ (𝐸 ∥ 𝑁 → (𝐸 ∈ ℤ ∧ 𝑁 ∈ ℤ)) | |
3 | divides 15650 | . . . . 5 ⊢ ((𝐸 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝐸 ∥ 𝑁 ↔ ∃𝑥 ∈ ℤ (𝑥 · 𝐸) = 𝑁)) | |
4 | 2, 3 | biadanii 822 | . . . 4 ⊢ (𝐸 ∥ 𝑁 ↔ ((𝐸 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐸) = 𝑁)) |
5 | 1, 4 | sylib 221 | . . 3 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) → ((𝐸 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ ∃𝑥 ∈ ℤ (𝑥 · 𝐸) = 𝑁)) |
6 | 5 | simprd 500 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) → ∃𝑥 ∈ ℤ (𝑥 · 𝐸) = 𝑁) |
7 | simpl1 1189 | . . . . . 6 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → 𝐺 ∈ Grp) | |
8 | simpr 489 | . . . . . 6 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → 𝑥 ∈ ℤ) | |
9 | 5 | simplld 768 | . . . . . . 7 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) → 𝐸 ∈ ℤ) |
10 | 9 | adantr 485 | . . . . . 6 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → 𝐸 ∈ ℤ) |
11 | simpl2 1190 | . . . . . 6 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → 𝐴 ∈ 𝑋) | |
12 | gexcl.1 | . . . . . . 7 ⊢ 𝑋 = (Base‘𝐺) | |
13 | gexid.3 | . . . . . . 7 ⊢ · = (.g‘𝐺) | |
14 | 12, 13 | mulgass 18324 | . . . . . 6 ⊢ ((𝐺 ∈ Grp ∧ (𝑥 ∈ ℤ ∧ 𝐸 ∈ ℤ ∧ 𝐴 ∈ 𝑋)) → ((𝑥 · 𝐸) · 𝐴) = (𝑥 · (𝐸 · 𝐴))) |
15 | 7, 8, 10, 11, 14 | syl13anc 1370 | . . . . 5 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → ((𝑥 · 𝐸) · 𝐴) = (𝑥 · (𝐸 · 𝐴))) |
16 | gexcl.2 | . . . . . . . 8 ⊢ 𝐸 = (gEx‘𝐺) | |
17 | gexid.4 | . . . . . . . 8 ⊢ 0 = (0g‘𝐺) | |
18 | 12, 16, 13, 17 | gexid 18766 | . . . . . . 7 ⊢ (𝐴 ∈ 𝑋 → (𝐸 · 𝐴) = 0 ) |
19 | 11, 18 | syl 17 | . . . . . 6 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → (𝐸 · 𝐴) = 0 ) |
20 | 19 | oveq2d 7167 | . . . . 5 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → (𝑥 · (𝐸 · 𝐴)) = (𝑥 · 0 )) |
21 | 12, 13, 17 | mulgz 18315 | . . . . . 6 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ ℤ) → (𝑥 · 0 ) = 0 ) |
22 | 21 | 3ad2antl1 1183 | . . . . 5 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → (𝑥 · 0 ) = 0 ) |
23 | 15, 20, 22 | 3eqtrd 2798 | . . . 4 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → ((𝑥 · 𝐸) · 𝐴) = 0 ) |
24 | oveq1 7158 | . . . . 5 ⊢ ((𝑥 · 𝐸) = 𝑁 → ((𝑥 · 𝐸) · 𝐴) = (𝑁 · 𝐴)) | |
25 | 24 | eqeq1d 2761 | . . . 4 ⊢ ((𝑥 · 𝐸) = 𝑁 → (((𝑥 · 𝐸) · 𝐴) = 0 ↔ (𝑁 · 𝐴) = 0 )) |
26 | 23, 25 | syl5ibcom 248 | . . 3 ⊢ (((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) ∧ 𝑥 ∈ ℤ) → ((𝑥 · 𝐸) = 𝑁 → (𝑁 · 𝐴) = 0 )) |
27 | 26 | rexlimdva 3209 | . 2 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) → (∃𝑥 ∈ ℤ (𝑥 · 𝐸) = 𝑁 → (𝑁 · 𝐴) = 0 )) |
28 | 6, 27 | mpd 15 | 1 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋 ∧ 𝐸 ∥ 𝑁) → (𝑁 · 𝐴) = 0 ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1085 = wceq 1539 ∈ wcel 2112 ∃wrex 3072 class class class wbr 5033 ‘cfv 6336 (class class class)co 7151 · cmul 10573 ℤcz 12013 ∥ cdvds 15648 Basecbs 16534 0gc0g 16764 Grpcgrp 18162 .gcmg 18284 gExcgex 18713 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-sep 5170 ax-nul 5177 ax-pow 5235 ax-pr 5299 ax-un 7460 ax-cnex 10624 ax-resscn 10625 ax-1cn 10626 ax-icn 10627 ax-addcl 10628 ax-addrcl 10629 ax-mulcl 10630 ax-mulrcl 10631 ax-mulcom 10632 ax-addass 10633 ax-mulass 10634 ax-distr 10635 ax-i2m1 10636 ax-1ne0 10637 ax-1rid 10638 ax-rnegex 10639 ax-rrecex 10640 ax-cnre 10641 ax-pre-lttri 10642 ax-pre-lttrn 10643 ax-pre-ltadd 10644 ax-pre-mulgt0 10645 |
This theorem depends on definitions: df-bi 210 df-an 401 df-or 846 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2902 df-ne 2953 df-nel 3057 df-ral 3076 df-rex 3077 df-reu 3078 df-rmo 3079 df-rab 3080 df-v 3412 df-sbc 3698 df-csb 3807 df-dif 3862 df-un 3864 df-in 3866 df-ss 3876 df-pss 3878 df-nul 4227 df-if 4422 df-pw 4497 df-sn 4524 df-pr 4526 df-tp 4528 df-op 4530 df-uni 4800 df-iun 4886 df-br 5034 df-opab 5096 df-mpt 5114 df-tr 5140 df-id 5431 df-eprel 5436 df-po 5444 df-so 5445 df-fr 5484 df-we 5486 df-xp 5531 df-rel 5532 df-cnv 5533 df-co 5534 df-dm 5535 df-rn 5536 df-res 5537 df-ima 5538 df-pred 6127 df-ord 6173 df-on 6174 df-lim 6175 df-suc 6176 df-iota 6295 df-fun 6338 df-fn 6339 df-f 6340 df-f1 6341 df-fo 6342 df-f1o 6343 df-fv 6344 df-riota 7109 df-ov 7154 df-oprab 7155 df-mpo 7156 df-om 7581 df-1st 7694 df-2nd 7695 df-wrecs 7958 df-recs 8019 df-rdg 8057 df-er 8300 df-en 8529 df-dom 8530 df-sdom 8531 df-sup 8932 df-inf 8933 df-pnf 10708 df-mnf 10709 df-xr 10710 df-ltxr 10711 df-le 10712 df-sub 10903 df-neg 10904 df-nn 11668 df-n0 11928 df-z 12014 df-uz 12276 df-fz 12933 df-seq 13412 df-dvds 15649 df-0g 16766 df-mgm 17911 df-sgrp 17960 df-mnd 17971 df-grp 18165 df-minusg 18166 df-mulg 18285 df-gex 18717 |
This theorem is referenced by: gexdvds 18769 gex2abl 19032 |
Copyright terms: Public domain | W3C validator |