Theorem mhmmulg 16742

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 6303	. . . . . . 7 |- ( n = 0 -> ( n .x. X ) = ( 0 .x. X ) )
2	1	fveq2d 5876	. . . . . 6 |- ( n = 0 -> ( F ` ( n .x. X ) ) = ( F ` ( 0 .x. X ) ) )
3		oveq1 6303	. . . . . 6 |- ( n = 0 -> ( n .X. ( F ` X ) ) = ( 0 .X. ( F ` X ) ) )
4	2, 3	eqeq12d 2442	. . . . 5 |- ( n = 0 -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) ) )
5	4	imbi2d 317	. . . 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 6303	. . . . . . 7 |- ( n = m -> ( n .x. X ) = ( m .x. X ) )
7	6	fveq2d 5876	. . . . . 6 |- ( n = m -> ( F ` ( n .x. X ) ) = ( F ` ( m .x. X ) ) )
8		oveq1 6303	. . . . . 6 |- ( n = m -> ( n .X. ( F ` X ) ) = ( m .X. ( F ` X ) ) )
9	7, 8	eqeq12d 2442	. . . . 5 |- ( n = m -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) ) )
10	9	imbi2d 317	. . . 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 6303	. . . . . . 7 |- ( n = ( m + 1 ) -> ( n .x. X ) = ( ( m + 1 ) .x. X ) )
12	11	fveq2d 5876	. . . . . 6 |- ( n = ( m + 1 ) -> ( F ` ( n .x. X ) ) = ( F ` ( ( m + 1 ) .x. X ) ) )
13		oveq1 6303	. . . . . 6 |- ( n = ( m + 1 ) -> ( n .X. ( F ` X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) )
14	12, 13	eqeq12d 2442	. . . . 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 317	. . . 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 6303	. . . . . . 7 |- ( n = N -> ( n .x. X ) = ( N .x. X ) )
17	16	fveq2d 5876	. . . . . 6 |- ( n = N -> ( F ` ( n .x. X ) ) = ( F ` ( N .x. X ) ) )
18		oveq1 6303	. . . . . 6 |- ( n = N -> ( n .X. ( F ` X ) ) = ( N .X. ( F ` X ) ) )
19	17, 18	eqeq12d 2442	. . . . 5 |- ( n = N -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) )
20	19	imbi2d 317	. . . 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 2420	. . . . . . 7 |- ( 0g ` G ) = ( 0g ` G )
22		eqid 2420	. . . . . . 7 |- ( 0g ` H ) = ( 0g ` H )
23	21, 22	mhm0 16542	. . . . . 6 |- ( F e. ( G MndHom H ) -> ( F ` ( 0g ` G ) ) = ( 0g ` H ) )
24	23	adantr 466	. . . . 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 16715	. . . . . . 7 |- ( X e. B -> ( 0 .x. X ) = ( 0g ` G ) )
28	27	adantl 467	. . . . . 6 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( 0 .x. X ) = ( 0g ` G ) )
29	28	fveq2d 5876	. . . . 5 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( F ` ( 0g ` G ) ) )
30		eqid 2420	. . . . . . . 8 |- ( Base ` H ) = ( Base ` H )
31	25, 30	mhmf 16539	. . . . . . 7 |- ( F e. ( G MndHom H ) -> F : B --> ( Base ` H ) )
32	31	ffvelrnda 6028	. . . . . 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 16715	. . . . . 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 2471	. . . 4 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) )
37		oveq1 6303	. . . . . . 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 16537	. . . . . . . . . . . 12 |- ( F e. ( G MndHom H ) -> G e. Mnd )
39	38	ad2antrr 730	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> G e. Mnd )
40		simpr 462	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> m e. NN0 )
41		simplr 760	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> X e. B )
42		eqid 2420	. . . . . . . . . . . 12 |- ( +g ` G ) = ( +g ` G )
43	25, 26, 42	mulgnn0p1 16721	. . . . . . . . . . 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 1264	. . . . . . . . . 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 5876	. . . . . . . . 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 758	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> F e. ( G MndHom H ) )
47	38	ad2antrr 730	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> G e. Mnd )
48		simplr 760	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> m e. NN0 )
49		simpr 462	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> X e. B )
50	25, 26	mulgnn0cl 16726	. . . . . . . . . . . 12 |- ( ( G e. Mnd /\ m e. NN0 /\ X e. B ) -> ( m .x. X ) e. B )
51	47, 48, 49, 50	syl3anc 1264	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> ( m .x. X ) e. B )
52	51	an32s 811	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( m .x. X ) e. B )
53		eqid 2420	. . . . . . . . . . 11 |- ( +g ` H ) = ( +g ` H )
54	25, 42, 53	mhmlin 16541	. . . . . . . . . 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 1264	. . . . . . . . 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 2461	. . . . . . . 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 16538	. . . . . . . . . 10 |- ( F e. ( G MndHom H ) -> H e. Mnd )
58	57	ad2antrr 730	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> H e. Mnd )
59	32	adantr 466	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( F ` X ) e. ( Base ` H ) )
60	30, 33, 53	mulgnn0p1 16721	. . . . . . . . 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 1264	. . . . . . . 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 2442	. . . . . . 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 224	. . . . . 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 436	. . . . 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 11019	. . 3 |- ( N e. NN0 -> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) )
67	66	3impib 1203	. 2 |- ( ( N e. NN0 /\ F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) )
68	67	3com12 1209	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 370   /\ w3a 982   = wceq 1437   e. wcel 1867   ` cfv 5592  (class class class)co 6296   0cc0 9528   1c1 9529   + caddc 9531   NN0cn0 10858   Basecbs 15081   +g cplusg 15150   0gc0g 15298   Mndcmnd 16487   MndHom cmhm 16532  ._gcmg 16624

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1665  ax-4 1678  ax-5 1748  ax-6 1794  ax-7 1838  ax-8 1869  ax-9 1871  ax-10 1886  ax-11 1891  ax-12 1904  ax-13 2052  ax-ext 2398  ax-rep 4529  ax-sep 4539  ax-nul 4547  ax-pow 4594  ax-pr 4652  ax-un 6588  ax-inf2 8137  ax-cnex 9584  ax-resscn 9585  ax-1cn 9586  ax-icn 9587  ax-addcl 9588  ax-addrcl 9589  ax-mulcl 9590  ax-mulrcl 9591  ax-mulcom 9592  ax-addass 9593  ax-mulass 9594  ax-distr 9595  ax-i2m1 9596  ax-1ne0 9597  ax-1rid 9598  ax-rnegex 9599  ax-rrecex 9600  ax-cnre 9601  ax-pre-lttri 9602  ax-pre-lttrn 9603  ax-pre-ltadd 9604  ax-pre-mulgt0 9605

This theorem depends on definitions:  df-bi 188  df-or 371  df-an 372  df-3or 983  df-3an 984  df-tru 1440  df-ex 1660  df-nf 1664  df-sb 1787  df-eu 2267  df-mo 2268  df-clab 2406  df-cleq 2412  df-clel 2415  df-nfc 2570  df-ne 2618  df-nel 2619  df-ral 2778  df-rex 2779  df-reu 2780  df-rmo 2781  df-rab 2782  df-v 3080  df-sbc 3297  df-csb 3393  df-dif 3436  df-un 3438  df-in 3440  df-ss 3447  df-pss 3449  df-nul 3759  df-if 3907  df-pw 3978  df-sn 3994  df-pr 3996  df-tp 3998  df-op 4000  df-uni 4214  df-iun 4295  df-br 4418  df-opab 4476  df-mpt 4477  df-tr 4512  df-eprel 4756  df-id 4760  df-po 4766  df-so 4767  df-fr 4804  df-we 4806  df-xp 4851  df-rel 4852  df-cnv 4853  df-co 4854  df-dm 4855  df-rn 4856  df-res 4857  df-ima 4858  df-pred 5390  df-ord 5436  df-on 5437  df-lim 5438  df-suc 5439  df-iota 5556  df-fun 5594  df-fn 5595  df-f 5596  df-f1 5597  df-fo 5598  df-f1o 5599  df-fv 5600  df-riota 6258  df-ov 6299  df-oprab 6300  df-mpt2 6301  df-om 6698  df-1st 6798  df-2nd 6799  df-wrecs 7027  df-recs 7089  df-rdg 7127  df-er 7362  df-map 7473  df-en 7569  df-dom 7570  df-sdom 7571  df-pnf 9666  df-mnf 9667  df-xr 9668  df-ltxr 9669  df-le 9670  df-sub 9851  df-neg 9852  df-nn 10599  df-n0 10859  df-z 10927  df-uz 11149  df-fz 11772  df-seq 12200  df-0g 15300  df-mgm 16440  df-sgrp 16479  df-mnd 16489  df-mhm 16534  df-mulg 16628

This theorem is referenced by:  pwsmulg  16752  ghmmulg  16847  evls1varpw  18856  evl1expd  18874  cayhamlem4  19849  dchrfi  24085  lgsqrlem1  24171  lgseisenlem4  24182  dchrisum0flblem1  24248