Theorem mhmmulg 15988

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 6292	. . . . . . 7 |- ( n = 0 -> ( n .x. X ) = ( 0 .x. X ) )
2	1	fveq2d 5870	. . . . . 6 |- ( n = 0 -> ( F ` ( n .x. X ) ) = ( F ` ( 0 .x. X ) ) )
3		oveq1 6292	. . . . . 6 |- ( n = 0 -> ( n .X. ( F ` X ) ) = ( 0 .X. ( F ` X ) ) )
4	2, 3	eqeq12d 2489	. . . . 5 |- ( n = 0 -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) ) )
5	4	imbi2d 316	. . . 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 6292	. . . . . . 7 |- ( n = m -> ( n .x. X ) = ( m .x. X ) )
7	6	fveq2d 5870	. . . . . 6 |- ( n = m -> ( F ` ( n .x. X ) ) = ( F ` ( m .x. X ) ) )
8		oveq1 6292	. . . . . 6 |- ( n = m -> ( n .X. ( F ` X ) ) = ( m .X. ( F ` X ) ) )
9	7, 8	eqeq12d 2489	. . . . 5 |- ( n = m -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) ) )
10	9	imbi2d 316	. . . 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 6292	. . . . . . 7 |- ( n = ( m + 1 ) -> ( n .x. X ) = ( ( m + 1 ) .x. X ) )
12	11	fveq2d 5870	. . . . . 6 |- ( n = ( m + 1 ) -> ( F ` ( n .x. X ) ) = ( F ` ( ( m + 1 ) .x. X ) ) )
13		oveq1 6292	. . . . . 6 |- ( n = ( m + 1 ) -> ( n .X. ( F ` X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) )
14	12, 13	eqeq12d 2489	. . . . 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 316	. . . 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 6292	. . . . . . 7 |- ( n = N -> ( n .x. X ) = ( N .x. X ) )
17	16	fveq2d 5870	. . . . . 6 |- ( n = N -> ( F ` ( n .x. X ) ) = ( F ` ( N .x. X ) ) )
18		oveq1 6292	. . . . . 6 |- ( n = N -> ( n .X. ( F ` X ) ) = ( N .X. ( F ` X ) ) )
19	17, 18	eqeq12d 2489	. . . . 5 |- ( n = N -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) )
20	19	imbi2d 316	. . . 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 2467	. . . . . . 7 |- ( 0g ` G ) = ( 0g ` G )
22		eqid 2467	. . . . . . 7 |- ( 0g ` H ) = ( 0g ` H )
23	21, 22	mhm0 15797	. . . . . 6 |- ( F e. ( G MndHom H ) -> ( F ` ( 0g ` G ) ) = ( 0g ` H ) )
24	23	adantr 465	. . . . 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 15961	. . . . . . 7 |- ( X e. B -> ( 0 .x. X ) = ( 0g ` G ) )
28	27	adantl 466	. . . . . 6 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( 0 .x. X ) = ( 0g ` G ) )
29	28	fveq2d 5870	. . . . 5 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( F ` ( 0g ` G ) ) )
30		eqid 2467	. . . . . . . 8 |- ( Base ` H ) = ( Base ` H )
31	25, 30	mhmf 15794	. . . . . . 7 |- ( F e. ( G MndHom H ) -> F : B --> ( Base ` H ) )
32	31	ffvelrnda 6022	. . . . . 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 15961	. . . . . 6 |- ( ( F ` X ) e. ( Base ` H ) -> ( 0 .X. ( F ` X ) ) = ( 0g ` H ) )
35	32, 34	syl 16	. . . . 5 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( 0 .X. ( F ` X ) ) = ( 0g ` H ) )
36	24, 29, 35	3eqtr4d 2518	. . . 4 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) )
37		oveq1 6292	. . . . . . 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 15792	. . . . . . . . . . . 12 |- ( F e. ( G MndHom H ) -> G e. Mnd )
39	38	ad2antrr 725	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> G e. Mnd )
40		simpr 461	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> m e. NN0 )
41		simplr 754	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> X e. B )
42		eqid 2467	. . . . . . . . . . . 12 |- ( +g ` G ) = ( +g ` G )
43	25, 26, 42	mulgnn0p1 15967	. . . . . . . . . . 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 1228	. . . . . . . . . 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 5870	. . . . . . . . 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 753	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> F e. ( G MndHom H ) )
47	38	ad2antrr 725	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> G e. Mnd )
48		simplr 754	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> m e. NN0 )
49		simpr 461	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> X e. B )
50	25, 26	mulgnn0cl 15972	. . . . . . . . . . . 12 |- ( ( G e. Mnd /\ m e. NN0 /\ X e. B ) -> ( m .x. X ) e. B )
51	47, 48, 49, 50	syl3anc 1228	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> ( m .x. X ) e. B )
52	51	an32s 802	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( m .x. X ) e. B )
53		eqid 2467	. . . . . . . . . . 11 |- ( +g ` H ) = ( +g ` H )
54	25, 42, 53	mhmlin 15796	. . . . . . . . . 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 1228	. . . . . . . . 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 2508	. . . . . . . 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 15793	. . . . . . . . . 10 |- ( F e. ( G MndHom H ) -> H e. Mnd )
58	57	ad2antrr 725	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> H e. Mnd )
59	32	adantr 465	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( F ` X ) e. ( Base ` H ) )
60	30, 33, 53	mulgnn0p1 15967	. . . . . . . . 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 1228	. . . . . . . 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 2489	. . . . . . 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 221	. . . . . 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 435	. . . . 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 26	. . . 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 10958	. . 3 |- ( N e. NN0 -> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) )
67	66	3impib 1194	. 2 |- ( ( N e. NN0 /\ F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) )
68	67	3com12 1200	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 369   /\ w3a 973   = wceq 1379   e. wcel 1767   ` cfv 5588  (class class class)co 6285   0cc0 9493   1c1 9494   + caddc 9496   NN0cn0 10796   Basecbs 14493   +g cplusg 14558   0gc0g 14698   Mndcmnd 15729  ._gcmg 15734   MndHom cmhm 15787

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1601  ax-4 1612  ax-5 1680  ax-6 1719  ax-7 1739  ax-8 1769  ax-9 1771  ax-10 1786  ax-11 1791  ax-12 1803  ax-13 1968  ax-ext 2445  ax-rep 4558  ax-sep 4568  ax-nul 4576  ax-pow 4625  ax-pr 4686  ax-un 6577  ax-inf2 8059  ax-cnex 9549  ax-resscn 9550  ax-1cn 9551  ax-icn 9552  ax-addcl 9553  ax-addrcl 9554  ax-mulcl 9555  ax-mulrcl 9556  ax-mulcom 9557  ax-addass 9558  ax-mulass 9559  ax-distr 9560  ax-i2m1 9561  ax-1ne0 9562  ax-1rid 9563  ax-rnegex 9564  ax-rrecex 9565  ax-cnre 9566  ax-pre-lttri 9567  ax-pre-lttrn 9568  ax-pre-ltadd 9569  ax-pre-mulgt0 9570

This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 974  df-3an 975  df-tru 1382  df-ex 1597  df-nf 1600  df-sb 1712  df-eu 2279  df-mo 2280  df-clab 2453  df-cleq 2459  df-clel 2462  df-nfc 2617  df-ne 2664  df-nel 2665  df-ral 2819  df-rex 2820  df-reu 2821  df-rmo 2822  df-rab 2823  df-v 3115  df-sbc 3332  df-csb 3436  df-dif 3479  df-un 3481  df-in 3483  df-ss 3490  df-pss 3492  df-nul 3786  df-if 3940  df-pw 4012  df-sn 4028  df-pr 4030  df-tp 4032  df-op 4034  df-uni 4246  df-iun 4327  df-br 4448  df-opab 4506  df-mpt 4507  df-tr 4541  df-eprel 4791  df-id 4795  df-po 4800  df-so 4801  df-fr 4838  df-we 4840  df-ord 4881  df-on 4882  df-lim 4883  df-suc 4884  df-xp 5005  df-rel 5006  df-cnv 5007  df-co 5008  df-dm 5009  df-rn 5010  df-res 5011  df-ima 5012  df-iota 5551  df-fun 5590  df-fn 5591  df-f 5592  df-f1 5593  df-fo 5594  df-f1o 5595  df-fv 5596  df-riota 6246  df-ov 6288  df-oprab 6289  df-mpt2 6290  df-om 6686  df-1st 6785  df-2nd 6786  df-recs 7043  df-rdg 7077  df-er 7312  df-map 7423  df-en 7518  df-dom 7519  df-sdom 7520  df-pnf 9631  df-mnf 9632  df-xr 9633  df-ltxr 9634  df-le 9635  df-sub 9808  df-neg 9809  df-nn 10538  df-n0 10797  df-z 10866  df-uz 11084  df-fz 11674  df-seq 12077  df-0g 14700  df-mnd 15735  df-mhm 15789  df-mulg 15874

This theorem is referenced by:  pwsmulg  15998  ghmmulg  16093  evls1varpw  18174  evl1expd  18192  cayhamlem4  19196  dchrfi  23355  lgsqrlem1  23441  lgseisenlem4  23452  dchrisum0flblem1  23518