Theorem lmodsubdir 14049

Description: Scalar multiplication distributive law for subtraction. (Contributed by NM, 2-Jul-2014.)

Hypotheses

Ref	Expression
lmodsubdir.v	|- V = ( Base ` W )
lmodsubdir.t	|- .x. = ( .s ` W )
lmodsubdir.f	|- F = (Scalar ` W )
lmodsubdir.k	|- K = ( Base ` F )
lmodsubdir.m	|- .- = ( -g ` W )
lmodsubdir.s	|- S = ( -g ` F )
lmodsubdir.w	|- ( ph -> W e. LMod )
lmodsubdir.a	|- ( ph -> A e. K )
lmodsubdir.b	|- ( ph -> B e. K )
lmodsubdir.x	|- ( ph -> X e. V )

Assertion

Ref	Expression
lmodsubdir	|- ( ph -> ( ( A S B ) .x. X ) = ( ( A .x. X ) .- ( B .x. X ) ) )

Proof of Theorem lmodsubdir

Step	Hyp	Ref	Expression
1		lmodsubdir.w	. . . 4 |- ( ph -> W e. LMod )
2		lmodsubdir.a	. . . 4 |- ( ph -> A e. K )
3		lmodsubdir.f	. . . . . . . 8 |- F = (Scalar ` W )
4	3	lmodring 13999	. . . . . . 7 |- ( W e. LMod -> F e. Ring )
5	1, 4	syl 14	. . . . . 6 |- ( ph -> F e. Ring )
6		ringgrp 13705	. . . . . 6 |- ( F e. Ring -> F e. Grp )
7	5, 6	syl 14	. . . . 5 |- ( ph -> F e. Grp )
8		lmodsubdir.b	. . . . 5 |- ( ph -> B e. K )
9		lmodsubdir.k	. . . . . 6 |- K = ( Base ` F )
10		eqid 2204	. . . . . 6 |- ( invg ` F ) = ( invg ` F )
11	9, 10	grpinvcl 13322	. . . . 5 |- ( ( F e. Grp /\ B e. K ) -> ( ( invg ` F ) ` B ) e. K )
12	7, 8, 11	syl2anc 411	. . . 4 |- ( ph -> ( ( invg ` F ) ` B ) e. K )
13		lmodsubdir.x	. . . 4 |- ( ph -> X e. V )
14		lmodsubdir.v	. . . . 5 |- V = ( Base ` W )
15		eqid 2204	. . . . 5 |- ( +g ` W ) = ( +g ` W )
16		lmodsubdir.t	. . . . 5 |- .x. = ( .s ` W )
17		eqid 2204	. . . . 5 |- ( +g ` F ) = ( +g ` F )
18	14, 15, 3, 16, 9, 17	lmodvsdir 14016	. . . 4 |- ( ( W e. LMod /\ ( A e. K /\ ( ( invg ` F ) ` B ) e. K /\ X e. V ) ) -> ( ( A ( +g ` F ) ( ( invg ` F ) ` B ) ) .x. X ) = ( ( A .x. X ) ( +g ` W ) ( ( ( invg ` F ) ` B ) .x. X ) ) )
19	1, 2, 12, 13, 18	syl13anc 1251	. . 3 |- ( ph -> ( ( A ( +g ` F ) ( ( invg ` F ) ` B ) ) .x. X ) = ( ( A .x. X ) ( +g ` W ) ( ( ( invg ` F ) ` B ) .x. X ) ) )
20		eqid 2204	. . . . . . 7 |- ( .r ` F ) = ( .r ` F )
21		eqid 2204	. . . . . . 7 |- ( 1r ` F ) = ( 1r ` F )
22	9, 20, 21, 10, 5, 8	ringnegl 13755	. . . . . 6 |- ( ph -> ( ( ( invg ` F ) ` ( 1r ` F ) ) ( .r ` F ) B ) = ( ( invg ` F ) ` B ) )
23	22	oveq1d 5958	. . . . 5 |- ( ph -> ( ( ( ( invg ` F ) ` ( 1r ` F ) ) ( .r ` F ) B ) .x. X ) = ( ( ( invg ` F ) ` B ) .x. X ) )
24	9, 21	ringidcl 13724	. . . . . . . 8 |- ( F e. Ring -> ( 1r ` F ) e. K )
25	5, 24	syl 14	. . . . . . 7 |- ( ph -> ( 1r ` F ) e. K )
26	9, 10	grpinvcl 13322	. . . . . . 7 |- ( ( F e. Grp /\ ( 1r ` F ) e. K ) -> ( ( invg ` F ) ` ( 1r ` F ) ) e. K )
27	7, 25, 26	syl2anc 411	. . . . . 6 |- ( ph -> ( ( invg ` F ) ` ( 1r ` F ) ) e. K )
28	14, 3, 16, 9, 20	lmodvsass 14017	. . . . . 6 |- ( ( W e. LMod /\ ( ( ( invg ` F ) ` ( 1r ` F ) ) e. K /\ B e. K /\ X e. V ) ) -> ( ( ( ( invg ` F ) ` ( 1r ` F ) ) ( .r ` F ) B ) .x. X ) = ( ( ( invg ` F ) ` ( 1r ` F ) ) .x. ( B .x. X ) ) )
29	1, 27, 8, 13, 28	syl13anc 1251	. . . . 5 |- ( ph -> ( ( ( ( invg ` F ) ` ( 1r ` F ) ) ( .r ` F ) B ) .x. X ) = ( ( ( invg ` F ) ` ( 1r ` F ) ) .x. ( B .x. X ) ) )
30	23, 29	eqtr3d 2239	. . . 4 |- ( ph -> ( ( ( invg ` F ) ` B ) .x. X ) = ( ( ( invg ` F ) ` ( 1r ` F ) ) .x. ( B .x. X ) ) )
31	30	oveq2d 5959	. . 3 |- ( ph -> ( ( A .x. X ) ( +g ` W ) ( ( ( invg ` F ) ` B ) .x. X ) ) = ( ( A .x. X ) ( +g ` W ) ( ( ( invg ` F ) ` ( 1r ` F ) ) .x. ( B .x. X ) ) ) )
32	19, 31	eqtrd 2237	. 2 |- ( ph -> ( ( A ( +g ` F ) ( ( invg ` F ) ` B ) ) .x. X ) = ( ( A .x. X ) ( +g ` W ) ( ( ( invg ` F ) ` ( 1r ` F ) ) .x. ( B .x. X ) ) ) )
33		lmodsubdir.s	. . . . 5 |- S = ( -g ` F )
34	9, 17, 10, 33	grpsubval 13320	. . . 4 |- ( ( A e. K /\ B e. K ) -> ( A S B ) = ( A ( +g ` F ) ( ( invg ` F ) ` B ) ) )
35	2, 8, 34	syl2anc 411	. . 3 |- ( ph -> ( A S B ) = ( A ( +g ` F ) ( ( invg ` F ) ` B ) ) )
36	35	oveq1d 5958	. 2 |- ( ph -> ( ( A S B ) .x. X ) = ( ( A ( +g ` F ) ( ( invg ` F ) ` B ) ) .x. X ) )
37	14, 3, 16, 9	lmodvscl 14009	. . . 4 |- ( ( W e. LMod /\ A e. K /\ X e. V ) -> ( A .x. X ) e. V )
38	1, 2, 13, 37	syl3anc 1249	. . 3 |- ( ph -> ( A .x. X ) e. V )
39	14, 3, 16, 9	lmodvscl 14009	. . . 4 |- ( ( W e. LMod /\ B e. K /\ X e. V ) -> ( B .x. X ) e. V )
40	1, 8, 13, 39	syl3anc 1249	. . 3 |- ( ph -> ( B .x. X ) e. V )
41		lmodsubdir.m	. . . 4 |- .- = ( -g ` W )
42	14, 15, 41, 3, 16, 10, 21	lmodvsubval2 14046	. . 3 |- ( ( W e. LMod /\ ( A .x. X ) e. V /\ ( B .x. X ) e. V ) -> ( ( A .x. X ) .- ( B .x. X ) ) = ( ( A .x. X ) ( +g ` W ) ( ( ( invg ` F ) ` ( 1r ` F ) ) .x. ( B .x. X ) ) ) )
43	1, 38, 40, 42	syl3anc 1249	. 2 |- ( ph -> ( ( A .x. X ) .- ( B .x. X ) ) = ( ( A .x. X ) ( +g ` W ) ( ( ( invg ` F ) ` ( 1r ` F ) ) .x. ( B .x. X ) ) ) )
44	32, 36, 43	3eqtr4d 2247	1 |- ( ph -> ( ( A S B ) .x. X ) = ( ( A .x. X ) .- ( B .x. X ) ) )

Syntax hints:   -> wi 4   = wceq 1372   e. wcel 2175   ` cfv 5270  (class class class)co 5943   Basecbs 12774   +g cplusg 12851   .rcmulr 12852  Scalarcsca 12854   .scvsca 12855   Grpcgrp 13274   invgcminusg 13275   -gcsg 13276   1rcur 13663   Ringcrg 13700   LModclmod 13991

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 710  ax-5 1469  ax-7 1470  ax-gen 1471  ax-ie1 1515  ax-ie2 1516  ax-8 1526  ax-10 1527  ax-11 1528  ax-i12 1529  ax-bndl 1531  ax-4 1532  ax-17 1548  ax-i9 1552  ax-ial 1556  ax-i5r 1557  ax-13 2177  ax-14 2178  ax-ext 2186  ax-coll 4158  ax-sep 4161  ax-pow 4217  ax-pr 4252  ax-un 4479  ax-setind 4584  ax-cnex 8015  ax-resscn 8016  ax-1cn 8017  ax-1re 8018  ax-icn 8019  ax-addcl 8020  ax-addrcl 8021  ax-mulcl 8022  ax-addcom 8024  ax-addass 8026  ax-i2m1 8029  ax-0lt1 8030  ax-0id 8032  ax-rnegex 8033  ax-pre-ltirr 8036  ax-pre-ltadd 8040

This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1375  df-fal 1378  df-nf 1483  df-sb 1785  df-eu 2056  df-mo 2057  df-clab 2191  df-cleq 2197  df-clel 2200  df-nfc 2336  df-ne 2376  df-nel 2471  df-ral 2488  df-rex 2489  df-reu 2490  df-rmo 2491  df-rab 2492  df-v 2773  df-sbc 2998  df-csb 3093  df-dif 3167  df-un 3169  df-in 3171  df-ss 3178  df-nul 3460  df-pw 3617  df-sn 3638  df-pr 3639  df-op 3641  df-uni 3850  df-int 3885  df-iun 3928  df-br 4044  df-opab 4105  df-mpt 4106  df-id 4339  df-xp 4680  df-rel 4681  df-cnv 4682  df-co 4683  df-dm 4684  df-rn 4685  df-res 4686  df-ima 4687  df-iota 5231  df-fun 5272  df-fn 5273  df-f 5274  df-f1 5275  df-fo 5276  df-f1o 5277  df-fv 5278  df-riota 5898  df-ov 5946  df-oprab 5947  df-mpo 5948  df-1st 6225  df-2nd 6226  df-pnf 8108  df-mnf 8109  df-ltxr 8111  df-inn 9036  df-2 9094  df-3 9095  df-4 9096  df-5 9097  df-6 9098  df-ndx 12777  df-slot 12778  df-base 12780  df-sets 12781  df-plusg 12864  df-mulr 12865  df-sca 12867  df-vsca 12868  df-0g 13032  df-mgm 13130  df-sgrp 13176  df-mnd 13191  df-grp 13277  df-minusg 13278  df-sbg 13279  df-mgp 13625  df-ur 13664  df-ring 13702  df-lmod 13993

This theorem is referenced by: (None)