Theorem mhmmulg 16868

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 6315	. . . . . . 7 |- ( n = 0 -> ( n .x. X ) = ( 0 .x. X ) )
2	1	fveq2d 5883	. . . . . 6 |- ( n = 0 -> ( F ` ( n .x. X ) ) = ( F ` ( 0 .x. X ) ) )
3		oveq1 6315	. . . . . 6 |- ( n = 0 -> ( n .X. ( F ` X ) ) = ( 0 .X. ( F ` X ) ) )
4	2, 3	eqeq12d 2486	. . . . 5 |- ( n = 0 -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) ) )
5	4	imbi2d 323	. . . 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 6315	. . . . . . 7 |- ( n = m -> ( n .x. X ) = ( m .x. X ) )
7	6	fveq2d 5883	. . . . . 6 |- ( n = m -> ( F ` ( n .x. X ) ) = ( F ` ( m .x. X ) ) )
8		oveq1 6315	. . . . . 6 |- ( n = m -> ( n .X. ( F ` X ) ) = ( m .X. ( F ` X ) ) )
9	7, 8	eqeq12d 2486	. . . . 5 |- ( n = m -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( m .x. X ) ) = ( m .X. ( F ` X ) ) ) )
10	9	imbi2d 323	. . . 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 6315	. . . . . . 7 |- ( n = ( m + 1 ) -> ( n .x. X ) = ( ( m + 1 ) .x. X ) )
12	11	fveq2d 5883	. . . . . 6 |- ( n = ( m + 1 ) -> ( F ` ( n .x. X ) ) = ( F ` ( ( m + 1 ) .x. X ) ) )
13		oveq1 6315	. . . . . 6 |- ( n = ( m + 1 ) -> ( n .X. ( F ` X ) ) = ( ( m + 1 ) .X. ( F ` X ) ) )
14	12, 13	eqeq12d 2486	. . . . 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 323	. . . 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 6315	. . . . . . 7 |- ( n = N -> ( n .x. X ) = ( N .x. X ) )
17	16	fveq2d 5883	. . . . . 6 |- ( n = N -> ( F ` ( n .x. X ) ) = ( F ` ( N .x. X ) ) )
18		oveq1 6315	. . . . . 6 |- ( n = N -> ( n .X. ( F ` X ) ) = ( N .X. ( F ` X ) ) )
19	17, 18	eqeq12d 2486	. . . . 5 |- ( n = N -> ( ( F ` ( n .x. X ) ) = ( n .X. ( F ` X ) ) <-> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) )
20	19	imbi2d 323	. . . 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 2471	. . . . . . 7 |- ( 0g ` G ) = ( 0g ` G )
22		eqid 2471	. . . . . . 7 |- ( 0g ` H ) = ( 0g ` H )
23	21, 22	mhm0 16668	. . . . . 6 |- ( F e. ( G MndHom H ) -> ( F ` ( 0g ` G ) ) = ( 0g ` H ) )
24	23	adantr 472	. . . . 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 16841	. . . . . . 7 |- ( X e. B -> ( 0 .x. X ) = ( 0g ` G ) )
28	27	adantl 473	. . . . . 6 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( 0 .x. X ) = ( 0g ` G ) )
29	28	fveq2d 5883	. . . . 5 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( F ` ( 0g ` G ) ) )
30		eqid 2471	. . . . . . . 8 |- ( Base ` H ) = ( Base ` H )
31	25, 30	mhmf 16665	. . . . . . 7 |- ( F e. ( G MndHom H ) -> F : B --> ( Base ` H ) )
32	31	ffvelrnda 6037	. . . . . 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 16841	. . . . . 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 2515	. . . 4 |- ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( 0 .x. X ) ) = ( 0 .X. ( F ` X ) ) )
37		oveq1 6315	. . . . . . 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 16663	. . . . . . . . . . . 12 |- ( F e. ( G MndHom H ) -> G e. Mnd )
39	38	ad2antrr 740	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> G e. Mnd )
40		simpr 468	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> m e. NN0 )
41		simplr 770	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> X e. B )
42		eqid 2471	. . . . . . . . . . . 12 |- ( +g ` G ) = ( +g ` G )
43	25, 26, 42	mulgnn0p1 16847	. . . . . . . . . . 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 1292	. . . . . . . . . 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 5883	. . . . . . . . 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 768	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> F e. ( G MndHom H ) )
47	38	ad2antrr 740	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> G e. Mnd )
48		simplr 770	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> m e. NN0 )
49		simpr 468	. . . . . . . . . . . 12 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> X e. B )
50	25, 26	mulgnn0cl 16852	. . . . . . . . . . . 12 |- ( ( G e. Mnd /\ m e. NN0 /\ X e. B ) -> ( m .x. X ) e. B )
51	47, 48, 49, 50	syl3anc 1292	. . . . . . . . . . 11 |- ( ( ( F e. ( G MndHom H ) /\ m e. NN0 ) /\ X e. B ) -> ( m .x. X ) e. B )
52	51	an32s 821	. . . . . . . . . 10 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( m .x. X ) e. B )
53		eqid 2471	. . . . . . . . . . 11 |- ( +g ` H ) = ( +g ` H )
54	25, 42, 53	mhmlin 16667	. . . . . . . . . 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 1292	. . . . . . . . 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 2505	. . . . . . . 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 16664	. . . . . . . . . 10 |- ( F e. ( G MndHom H ) -> H e. Mnd )
58	57	ad2antrr 740	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> H e. Mnd )
59	32	adantr 472	. . . . . . . . 9 |- ( ( ( F e. ( G MndHom H ) /\ X e. B ) /\ m e. NN0 ) -> ( F ` X ) e. ( Base ` H ) )
60	30, 33, 53	mulgnn0p1 16847	. . . . . . . . 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 1292	. . . . . . . 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 2486	. . . . . . 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 229	. . . . . 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 442	. . . . 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 28	. . . 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 11053	. . 3 |- ( N e. NN0 -> ( ( F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) ) )
67	66	3impib 1229	. 2 |- ( ( N e. NN0 /\ F e. ( G MndHom H ) /\ X e. B ) -> ( F ` ( N .x. X ) ) = ( N .X. ( F ` X ) ) )
68	67	3com12 1235	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 376   /\ w3a 1007   = wceq 1452   e. wcel 1904   ` cfv 5589  (class class class)co 6308   0cc0 9557   1c1 9558   + caddc 9560   NN0cn0 10893   Basecbs 15199   +g cplusg 15268   0gc0g 15416   Mndcmnd 16613   MndHom cmhm 16658  ._gcmg 16750

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1677  ax-4 1690  ax-5 1766  ax-6 1813  ax-7 1859  ax-8 1906  ax-9 1913  ax-10 1932  ax-11 1937  ax-12 1950  ax-13 2104  ax-ext 2451  ax-rep 4508  ax-sep 4518  ax-nul 4527  ax-pow 4579  ax-pr 4639  ax-un 6602  ax-inf2 8164  ax-cnex 9613  ax-resscn 9614  ax-1cn 9615  ax-icn 9616  ax-addcl 9617  ax-addrcl 9618  ax-mulcl 9619  ax-mulrcl 9620  ax-mulcom 9621  ax-addass 9622  ax-mulass 9623  ax-distr 9624  ax-i2m1 9625  ax-1ne0 9626  ax-1rid 9627  ax-rnegex 9628  ax-rrecex 9629  ax-cnre 9630  ax-pre-lttri 9631  ax-pre-lttrn 9632  ax-pre-ltadd 9633  ax-pre-mulgt0 9634

This theorem depends on definitions:  df-bi 190  df-or 377  df-an 378  df-3or 1008  df-3an 1009  df-tru 1455  df-ex 1672  df-nf 1676  df-sb 1806  df-eu 2323  df-mo 2324  df-clab 2458  df-cleq 2464  df-clel 2467  df-nfc 2601  df-ne 2643  df-nel 2644  df-ral 2761  df-rex 2762  df-reu 2763  df-rmo 2764  df-rab 2765  df-v 3033  df-sbc 3256  df-csb 3350  df-dif 3393  df-un 3395  df-in 3397  df-ss 3404  df-pss 3406  df-nul 3723  df-if 3873  df-pw 3944  df-sn 3960  df-pr 3962  df-tp 3964  df-op 3966  df-uni 4191  df-iun 4271  df-br 4396  df-opab 4455  df-mpt 4456  df-tr 4491  df-eprel 4750  df-id 4754  df-po 4760  df-so 4761  df-fr 4798  df-we 4800  df-xp 4845  df-rel 4846  df-cnv 4847  df-co 4848  df-dm 4849  df-rn 4850  df-res 4851  df-ima 4852  df-pred 5387  df-ord 5433  df-on 5434  df-lim 5435  df-suc 5436  df-iota 5553  df-fun 5591  df-fn 5592  df-f 5593  df-f1 5594  df-fo 5595  df-f1o 5596  df-fv 5597  df-riota 6270  df-ov 6311  df-oprab 6312  df-mpt2 6313  df-om 6712  df-1st 6812  df-2nd 6813  df-wrecs 7046  df-recs 7108  df-rdg 7146  df-er 7381  df-map 7492  df-en 7588  df-dom 7589  df-sdom 7590  df-pnf 9695  df-mnf 9696  df-xr 9697  df-ltxr 9698  df-le 9699  df-sub 9882  df-neg 9883  df-nn 10632  df-n0 10894  df-z 10962  df-uz 11183  df-fz 11811  df-seq 12252  df-0g 15418  df-mgm 16566  df-sgrp 16605  df-mnd 16615  df-mhm 16660  df-mulg 16754

This theorem is referenced by:  pwsmulg  16878  ghmmulg  16973  evls1varpw  18992  evl1expd  19010  cayhamlem4  19989  dchrfi  24262  lgsqrlem1  24348  lgseisenlem4  24359  dchrisum0flblem1  24425