Theorem mhmmulg 17583

Description: A homomorphism of monoids preserves group multiples. (Contributed by Mario Carneiro, 14-Jun-2015.)

Hypotheses

Ref	Expression
mhmmulg.b	|- B = ( Base ` G )
mhmmulg.s	|- .x. = (.g ` G )
mhmmulg.t	|- .X. = (.g ` H )

Assertion

Ref	Expression
mhmmulg	|- ( ( F e. ( G MndHom H ) /\ N e. NN0 /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) )

Proof of Theorem mhmmulg

Dummy variables m n are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		oveq1 6657	. . . . . . 7 |- ( n = 0 -> ( n .x. X ) = ( 0 .x. X ) )
2	1	fveq2d 6195	. . . . . 6 |- ( n = 0 -> ( F ` ( n .x. X ) ) = ( F ` ( 0 .x. X ) ) )
3		oveq1 6657	. . . . . 6 |- ( n = 0 -> ( n .X. ( F ` X ) ) = ( 0 .X. ( F ` X ) ) )
4	2, 3	eqeq12d 2637	. . . . 5 |- ( n = 0 -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) ) )
5	4	imbi2d 330	. . . 4 |- ( n = 0 -> ( ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) ) <-> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) ) ) )
6		oveq1 6657	. . . . . . 7 |- ( n = m -> ( n .x. X ) = ( m .x. X ) )
7	6	fveq2d 6195	. . . . . 6 |- ( n = m -> ( F ` ( n .x. X ) ) = ( F ` ( m .x. X ) ) )
8		oveq1 6657	. . . . . 6 |- ( n = m -> ( n .X. ( F ` X ) ) = ( m .X. ( F ` X ) ) )
9	7, 8	eqeq12d 2637	. . . . 5 |- ( n = m -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) ) )
10	9	imbi2d 330	. . . 4 |- ( n = m -> ( ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) ) <-> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) ) ) )
11		oveq1 6657	. . . . . . 7 |- ( n = ( m + 1 ) -> ( n .x. X ) = ( ( m + 1 ) .x. X ) )
12	11	fveq2d 6195	. . . . . 6 |- ( n = ( m + 1 ) -> ( F ` ( n .x. X ) ) = ( F ` ( ( m + 1 ) .x. X ) ) )
13		oveq1 6657	. . . . . 6 |- ( n = ( m + 1 ) -> ( n .X. ( F ` X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) )
14	12, 13	eqeq12d 2637	. . . . 5 |- ( n = ( m + 1 ) -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( ( m + 1 ) .x. X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) ) )
15	14	imbi2d 330	. . . 4 |- ( n = ( m + 1 ) -> ( ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) ) <-> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( ( m + 1 ) .x. X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) ) ) )
16		oveq1 6657	. . . . . . 7 |- ( n = N -> ( n .x. X ) = ( N .x. X ) )
17	16	fveq2d 6195	. . . . . 6 |- ( n = N -> ( F ` ( n .x. X ) ) = ( F ` ( N .x. X ) ) )
18		oveq1 6657	. . . . . 6 |- ( n = N -> ( n .X. ( F ` X ) ) = ( N .X. ( F ` X ) ) )
19	17, 18	eqeq12d 2637	. . . . 5 |- ( n = N -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) )
20	19	imbi2d 330	. . . 4 |- ( n = N -> ( ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) ) <-> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) ) )
21		eqid 2622	. . . . . . 7 |- ( 0g ` G ) = ( 0g ` G )
22		eqid 2622	. . . . . . 7 |- ( 0g ` H ) = ( 0g ` H )
23	21, 22	mhm0 17343	. . . . . 6 |- ( F e. ( G MndHom H ) -> ( F ` ( 0g ` G ) ) = ( 0g ` H ) )
24	23	adantr 481	. . . . 5 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0g ` G ) ) = ( 0g ` H ) )
25		mhmmulg.b	. . . . . . . 8 |- B = ( Base ` G )
26		mhmmulg.s	. . . . . . . 8 |- .x. = (.g ` G )
27	25, 21, 26	mulg0 17546	. . . . . . 7 |- ( X e. B -> ( 0 .x. X ) = ( 0g ` G ) )
28	27	adantl 482	. . . . . 6 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( 0 .x. X ) = ( 0g ` G ) )
29	28	fveq2d 6195	. . . . 5 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( F ` ( 0g ` G ) ) )
30		eqid 2622	. . . . . . . 8 |- ( Base ` H ) = ( Base ` H )
31	25, 30	mhmf 17340	. . . . . . 7 |- ( F e. ( G MndHom H ) -> F : B --> ( Base ` H ) )
32	31	ffvelrnda 6359	. . . . . 6 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` X ) e. ( Base ` H ) )
33		mhmmulg.t	. . . . . . 7 |- .X. = (.g ` H )
34	30, 22, 33	mulg0 17546	. . . . . 6 |- ( ( F ` X ) e. ( Base ` H ) -> ( 0 .X. ( F ` X ) ) = ( 0g ` H ) )
35	32, 34	syl 17	. . . . 5 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( 0 .X. ( F ` X ) ) = ( 0g ` H ) )
36	24, 29, 35	3eqtr4d 2666	. . . 4 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) )
37		oveq1 6657	. . . . . . 7 |- ( ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) -> ( ( F ` ( m .x. X ) ) ( +g ` H ) ( F ` X ) ) = ( ( m .X. ( F ` X ) ) ( +g ` H ) ( F ` X ) ) )
38		mhmrcl1 17338	. . . . . . . . . . . 12 |- ( F e. ( G MndHom H ) -> G e. Mnd )
39	38	ad2antrr 762	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> G e. Mnd )
40		simpr 477	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> m e. NN0 )
41		simplr 792	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> X e. B )
42		eqid 2622	. . . . . . . . . . . 12 |- ( +g ` G ) = ( +g ` G )
43	25, 26, 42	mulgnn0p1 17552	. . . . . . . . . . 11 |- ( ( G e. Mnd /\ m e. NN0 /\ X e. B ) -> ( ( m + 1 ) .x. X ) = ( ( m .x. X ) ( +g ` G ) X ) )
44	39, 40, 41, 43	syl3anc 1326	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( ( m + 1 ) .x. X ) = ( ( m .x. X ) ( +g ` G ) X ) )
45	44	fveq2d 6195	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( F ` ( ( m + 1 ) .x. X ) ) = ( F ` ( ( m .x. X ) ( +g ` G ) X ) ) )
46		simpll 790	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> F e. ( G MndHom H ) )
47	38	ad2antrr 762	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> G e. Mnd )
48		simplr 792	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> m e. NN0 )
49		simpr 477	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> X e. B )
50	25, 26	mulgnn0cl 17558	. . . . . . . . . . . 12 |- ( ( G e. Mnd /\ m e. NN0 /\ X e. B ) -> ( m .x. X ) e. B )
51	47, 48, 49, 50	syl3anc 1326	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> ( m .x. X ) e. B )
52	51	an32s 846	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( m .x. X ) e. B )
53		eqid 2622	. . . . . . . . . . 11 |- ( +g ` H ) = ( +g ` H )
54	25, 42, 53	mhmlin 17342	. . . . . . . . . 10 |- ( ( F e. ( G MndHom H ) /\ ( m .x. X ) e. B /\ X e. B ) -> ( F ` ( ( m .x. X ) ( +g ` G ) X ) ) = ( ( F ` ( m .x. X ) ) ( +g ` H ) ( F ` X ) ) )
55	46, 52, 41, 54	syl3anc 1326	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( F ` ( ( m .x. X ) ( +g ` G ) X ) ) = ( ( F ` ( m .x. X ) ) ( +g ` H ) ( F ` X ) ) )
56	45, 55	eqtrd 2656	. . . . . . . 8 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( F ` ( ( m + 1 ) .x. X ) ) = ( ( F ` ( m .x. X ) ) ( +g ` H ) ( F ` X ) ) )
57		mhmrcl2 17339	. . . . . . . . . 10 |- ( F e. ( G MndHom H ) -> H e. Mnd )
58	57	ad2antrr 762	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> H e. Mnd )
59	32	adantr 481	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( F ` X ) e. ( Base ` H ) )
60	30, 33, 53	mulgnn0p1 17552	. . . . . . . . 9 |- ( ( H e. Mnd /\ m e. NN0 /\ ( F ` X ) e. ( Base ` H ) ) -> ( ( m + 1 ) .X. ( F ` X ) ) = ( ( m .X. ( F ` X ) ) ( +g ` H ) ( F ` X ) ) )
61	58, 40, 59, 60	syl3anc 1326	. . . . . . . 8 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( ( m + 1 ) .X. ( F ` X ) ) = ( ( m .X. ( F ` X ) ) ( +g ` H ) ( F ` X ) ) )
62	56, 61	eqeq12d 2637	. . . . . . 7 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( ( F ` ( ( m + 1 ) .x. X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) <-> ( ( F ` ( m .x. X ) ) ( +g ` H ) ( F ` X ) ) = ( ( m .X. ( F ` X ) ) ( +g ` H ) ( F ` X ) ) ) )
63	37, 62	syl5ibr 236	. . . . . 6 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) -> ( F ` ( ( m + 1 ) .x. X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) ) )
64	63	expcom 451	. . . . 5 |- ( m e. NN0 -> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) -> ( F ` ( ( m + 1 ) .x. X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) ) ) )
65	64	a2d 29	. . . 4 |- ( m e. NN0 -> ( ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) ) -> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( ( m + 1 ) .x. X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) ) ) )
66	5, 10, 15, 20, 36, 65	nn0ind 11472	. . 3 |- ( N e. NN0 -> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) )
67	66	3impib 1262	. 2 |- ( ( N e. NN0 /\ F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) )
68	67	3com12 1269	1 |- ( ( F e. ( G MndHom H ) /\ N e. NN0 /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) )

Syntax hints:   -> wi 4   /\ wa 384   /\ w3a 1037   = wceq 1483   e. wcel 1990   ` cfv 5888  (class class class)co 6650   0cc0 9936   1c1 9937   + caddc 9939   NN0cn0 11292   Basecbs 15857   +g cplusg 15941   0gc0g 16100   Mndcmnd 17294   MndHom cmhm 17333  ._gcmg 17540

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-inf2 8538  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-er 7742  df-map 7859  df-en 7956  df-dom 7957  df-sdom 7958  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-n0 11293  df-z 11378  df-uz 11688  df-fz 12327  df-seq 12802  df-0g 16102  df-mgm 17242  df-sgrp 17284  df-mnd 17295  df-mhm 17335  df-mulg 17541

This theorem is referenced by:  pwsmulg  17587  ghmmulg  17672  evls1varpw  19691  evl1expd  19709  cayhamlem4  20693  dchrfi  24980  lgsqrlem1  25071  lgseisenlem4  25103  dchrisum0flblem1  25197