Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > cayleylem2 | Structured version Visualization version GIF version |
Description: Lemma for cayley 18536. (Contributed by Paul Chapman, 3-Mar-2008.) (Revised by Mario Carneiro, 13-Jan-2015.) |
Ref | Expression |
---|---|
cayleylem1.x | ⊢ 𝑋 = (Base‘𝐺) |
cayleylem1.p | ⊢ + = (+g‘𝐺) |
cayleylem1.u | ⊢ 0 = (0g‘𝐺) |
cayleylem1.h | ⊢ 𝐻 = (SymGrp‘𝑋) |
cayleylem1.s | ⊢ 𝑆 = (Base‘𝐻) |
cayleylem1.f | ⊢ 𝐹 = (𝑔 ∈ 𝑋 ↦ (𝑎 ∈ 𝑋 ↦ (𝑔 + 𝑎))) |
Ref | Expression |
---|---|
cayleylem2 | ⊢ (𝐺 ∈ Grp → 𝐹:𝑋–1-1→𝑆) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fveq1 6664 | . . . 4 ⊢ ((𝐹‘𝑥) = (0g‘𝐻) → ((𝐹‘𝑥)‘ 0 ) = ((0g‘𝐻)‘ 0 )) | |
2 | simpr 487 | . . . . . . 7 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → 𝑥 ∈ 𝑋) | |
3 | cayleylem1.x | . . . . . . . . 9 ⊢ 𝑋 = (Base‘𝐺) | |
4 | cayleylem1.u | . . . . . . . . 9 ⊢ 0 = (0g‘𝐺) | |
5 | 3, 4 | grpidcl 18125 | . . . . . . . 8 ⊢ (𝐺 ∈ Grp → 0 ∈ 𝑋) |
6 | 5 | adantr 483 | . . . . . . 7 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → 0 ∈ 𝑋) |
7 | cayleylem1.f | . . . . . . . 8 ⊢ 𝐹 = (𝑔 ∈ 𝑋 ↦ (𝑎 ∈ 𝑋 ↦ (𝑔 + 𝑎))) | |
8 | 7, 3 | grplactval 18195 | . . . . . . 7 ⊢ ((𝑥 ∈ 𝑋 ∧ 0 ∈ 𝑋) → ((𝐹‘𝑥)‘ 0 ) = (𝑥 + 0 )) |
9 | 2, 6, 8 | syl2anc 586 | . . . . . 6 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → ((𝐹‘𝑥)‘ 0 ) = (𝑥 + 0 )) |
10 | cayleylem1.p | . . . . . . 7 ⊢ + = (+g‘𝐺) | |
11 | 3, 10, 4 | grprid 18128 | . . . . . 6 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → (𝑥 + 0 ) = 𝑥) |
12 | 9, 11 | eqtrd 2856 | . . . . 5 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → ((𝐹‘𝑥)‘ 0 ) = 𝑥) |
13 | 3 | fvexi 6679 | . . . . . . . 8 ⊢ 𝑋 ∈ V |
14 | cayleylem1.h | . . . . . . . . 9 ⊢ 𝐻 = (SymGrp‘𝑋) | |
15 | 14 | symgid 18523 | . . . . . . . 8 ⊢ (𝑋 ∈ V → ( I ↾ 𝑋) = (0g‘𝐻)) |
16 | 13, 15 | ax-mp 5 | . . . . . . 7 ⊢ ( I ↾ 𝑋) = (0g‘𝐻) |
17 | 16 | fveq1i 6666 | . . . . . 6 ⊢ (( I ↾ 𝑋)‘ 0 ) = ((0g‘𝐻)‘ 0 ) |
18 | fvresi 6930 | . . . . . . 7 ⊢ ( 0 ∈ 𝑋 → (( I ↾ 𝑋)‘ 0 ) = 0 ) | |
19 | 6, 18 | syl 17 | . . . . . 6 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → (( I ↾ 𝑋)‘ 0 ) = 0 ) |
20 | 17, 19 | syl5eqr 2870 | . . . . 5 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → ((0g‘𝐻)‘ 0 ) = 0 ) |
21 | 12, 20 | eqeq12d 2837 | . . . 4 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → (((𝐹‘𝑥)‘ 0 ) = ((0g‘𝐻)‘ 0 ) ↔ 𝑥 = 0 )) |
22 | 1, 21 | syl5ib 246 | . . 3 ⊢ ((𝐺 ∈ Grp ∧ 𝑥 ∈ 𝑋) → ((𝐹‘𝑥) = (0g‘𝐻) → 𝑥 = 0 )) |
23 | 22 | ralrimiva 3182 | . 2 ⊢ (𝐺 ∈ Grp → ∀𝑥 ∈ 𝑋 ((𝐹‘𝑥) = (0g‘𝐻) → 𝑥 = 0 )) |
24 | cayleylem1.s | . . . 4 ⊢ 𝑆 = (Base‘𝐻) | |
25 | 3, 10, 4, 14, 24, 7 | cayleylem1 18534 | . . 3 ⊢ (𝐺 ∈ Grp → 𝐹 ∈ (𝐺 GrpHom 𝐻)) |
26 | eqid 2821 | . . . 4 ⊢ (0g‘𝐻) = (0g‘𝐻) | |
27 | 3, 24, 4, 26 | ghmf1 18381 | . . 3 ⊢ (𝐹 ∈ (𝐺 GrpHom 𝐻) → (𝐹:𝑋–1-1→𝑆 ↔ ∀𝑥 ∈ 𝑋 ((𝐹‘𝑥) = (0g‘𝐻) → 𝑥 = 0 ))) |
28 | 25, 27 | syl 17 | . 2 ⊢ (𝐺 ∈ Grp → (𝐹:𝑋–1-1→𝑆 ↔ ∀𝑥 ∈ 𝑋 ((𝐹‘𝑥) = (0g‘𝐻) → 𝑥 = 0 ))) |
29 | 23, 28 | mpbird 259 | 1 ⊢ (𝐺 ∈ Grp → 𝐹:𝑋–1-1→𝑆) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1533 ∈ wcel 2110 ∀wral 3138 Vcvv 3495 ↦ cmpt 5139 I cid 5454 ↾ cres 5552 –1-1→wf1 6347 ‘cfv 6350 (class class class)co 7150 Basecbs 16477 +gcplusg 16559 0gc0g 16707 Grpcgrp 18097 GrpHom cghm 18349 SymGrpcsymg 18489 |
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 2156 ax-12 2172 ax-ext 2793 ax-rep 5183 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
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-rmo 3146 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4833 df-int 4870 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-tr 5166 df-id 5455 df-eprel 5460 df-po 5469 df-so 5470 df-fr 5509 df-we 5511 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-pred 6143 df-ord 6189 df-on 6190 df-lim 6191 df-suc 6192 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-1st 7683 df-2nd 7684 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-1o 8096 df-oadd 8100 df-er 8283 df-map 8402 df-en 8504 df-dom 8505 df-sdom 8506 df-fin 8507 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-2 11694 df-3 11695 df-4 11696 df-5 11697 df-6 11698 df-7 11699 df-8 11700 df-9 11701 df-n0 11892 df-z 11976 df-uz 12238 df-fz 12887 df-struct 16479 df-ndx 16480 df-slot 16481 df-base 16483 df-sets 16484 df-ress 16485 df-plusg 16572 df-tset 16578 df-0g 16709 df-mgm 17846 df-sgrp 17895 df-mnd 17906 df-submnd 17951 df-efmnd 18028 df-grp 18100 df-minusg 18101 df-sbg 18102 df-subg 18270 df-ghm 18350 df-ga 18414 df-symg 18490 |
This theorem is referenced by: cayley 18536 |
Copyright terms: Public domain | W3C validator |