Theorem lmodvsdi 14015

Description: Distributive law for scalar product (left-distributivity). (Contributed by NM, 10-Jan-2014.) (Revised by Mario Carneiro, 22-Sep-2015.)

Hypotheses

Ref	Expression
lmodvsdi.v	|- V = ( Base ` W )
lmodvsdi.a	|- .+ = ( +g ` W )
lmodvsdi.f	|- F = (Scalar ` W )
lmodvsdi.s	|- .x. = ( .s ` W )
lmodvsdi.k	|- K = ( Base ` F )

Assertion

Ref	Expression
lmodvsdi	|- ( ( W e. LMod /\ ( R e. K /\ X e. V /\ Y e. V ) ) -> ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) )

Proof of Theorem lmodvsdi

Step	Hyp	Ref	Expression
1		lmodvsdi.v	. . . . . . . . 9 |- V = ( Base ` W )
2		lmodvsdi.a	. . . . . . . . 9 |- .+ = ( +g ` W )
3		lmodvsdi.s	. . . . . . . . 9 |- .x. = ( .s ` W )
4		lmodvsdi.f	. . . . . . . . 9 |- F = (Scalar ` W )
5		lmodvsdi.k	. . . . . . . . 9 |- K = ( Base ` F )
6		eqid 2204	. . . . . . . . 9 |- ( +g ` F ) = ( +g ` F )
7		eqid 2204	. . . . . . . . 9 |- ( .r ` F ) = ( .r ` F )
8		eqid 2204	. . . . . . . . 9 |- ( 1r ` F ) = ( 1r ` F )
9	1, 2, 3, 4, 5, 6, 7, 8	lmodlema 13996	. . . . . . . 8 |- ( ( W e. LMod /\ ( R e. K /\ R e. K ) /\ ( Y e. V /\ X e. V ) ) -> ( ( ( R .x. X ) e. V /\ ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) /\ ( ( R ( +g ` F ) R ) .x. X ) = ( ( R .x. X ) .+ ( R .x. X ) ) ) /\ ( ( ( R ( .r ` F ) R ) .x. X ) = ( R .x. ( R .x. X ) ) /\ ( ( 1r ` F ) .x. X ) = X ) ) )
10	9	simpld 112	. . . . . . 7 |- ( ( W e. LMod /\ ( R e. K /\ R e. K ) /\ ( Y e. V /\ X e. V ) ) -> ( ( R .x. X ) e. V /\ ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) /\ ( ( R ( +g ` F ) R ) .x. X ) = ( ( R .x. X ) .+ ( R .x. X ) ) ) )
11	10	simp2d 1012	. . . . . 6 |- ( ( W e. LMod /\ ( R e. K /\ R e. K ) /\ ( Y e. V /\ X e. V ) ) -> ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) )
12	11	3expia 1207	. . . . 5 |- ( ( W e. LMod /\ ( R e. K /\ R e. K ) ) -> ( ( Y e. V /\ X e. V ) -> ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) ) )
13	12	anabsan2 584	. . . 4 |- ( ( W e. LMod /\ R e. K ) -> ( ( Y e. V /\ X e. V ) -> ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) ) )
14	13	exp4b 367	. . 3 |- ( W e. LMod -> ( R e. K -> ( Y e. V -> ( X e. V -> ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) ) ) ) )
15	14	com34 83	. 2 |- ( W e. LMod -> ( R e. K -> ( X e. V -> ( Y e. V -> ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) ) ) ) )
16	15	3imp2 1224	1 |- ( ( W e. LMod /\ ( R e. K /\ X e. V /\ Y e. V ) ) -> ( R .x. ( X .+ Y ) ) = ( ( R .x. X ) .+ ( R .x. Y ) ) )

Syntax hints:   -> wi 4   /\ wa 104   /\ w3a 980   = wceq 1372   e. wcel 2175   ` cfv 5270  (class class class)co 5943   Basecbs 12774   +g cplusg 12851   .rcmulr 12852  Scalarcsca 12854   .scvsca 12855   1rcur 13663   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-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-sep 4161  ax-pow 4217  ax-pr 4252  ax-un 4479  ax-cnex 8015  ax-resscn 8016  ax-1re 8018  ax-addrcl 8021

This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1375  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-ral 2488  df-rex 2489  df-rab 2492  df-v 2773  df-sbc 2998  df-un 3169  df-in 3171  df-ss 3178  df-pw 3617  df-sn 3638  df-pr 3639  df-op 3641  df-uni 3850  df-int 3885  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-iota 5231  df-fun 5272  df-fn 5273  df-fv 5278  df-ov 5946  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-plusg 12864  df-mulr 12865  df-sca 12867  df-vsca 12868  df-lmod 13993

This theorem is referenced by:  lmodcom  14037  lmodsubdi  14048  islss3  14083