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Description: Property of a linear functional. ( lnfnmuli analog.) (Contributed by NM, 16-Apr-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lflmul.d | |- D = ( Scalar ` W ) |
|
| lflmul.k | |- K = ( Base ` D ) |
||
| lflmul.t | |- .X. = ( .r ` D ) |
||
| lflmul.v | |- V = ( Base ` W ) |
||
| lflmul.s | |- .x. = ( .s ` W ) |
||
| lflmul.f | |- F = ( LFnl ` W ) |
||
| Assertion | lflmul | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( G ` ( R .x. X ) ) = ( R .X. ( G ` X ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lflmul.d | |- D = ( Scalar ` W ) |
|
| 2 | lflmul.k | |- K = ( Base ` D ) |
|
| 3 | lflmul.t | |- .X. = ( .r ` D ) |
|
| 4 | lflmul.v | |- V = ( Base ` W ) |
|
| 5 | lflmul.s | |- .x. = ( .s ` W ) |
|
| 6 | lflmul.f | |- F = ( LFnl ` W ) |
|
| 7 | simp1 | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> W e. LMod ) |
|
| 8 | simp2 | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> G e. F ) |
|
| 9 | simp3l | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> R e. K ) |
|
| 10 | simp3r | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> X e. V ) |
|
| 11 | eqid | |- ( 0g ` W ) = ( 0g ` W ) |
|
| 12 | 4 11 | lmod0vcl | |- ( W e. LMod -> ( 0g ` W ) e. V ) |
| 13 | 12 | 3ad2ant1 | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( 0g ` W ) e. V ) |
| 14 | eqid | |- ( +g ` W ) = ( +g ` W ) |
|
| 15 | eqid | |- ( +g ` D ) = ( +g ` D ) |
|
| 16 | 4 14 1 5 2 15 3 6 | lfli | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V /\ ( 0g ` W ) e. V ) ) -> ( G ` ( ( R .x. X ) ( +g ` W ) ( 0g ` W ) ) ) = ( ( R .X. ( G ` X ) ) ( +g ` D ) ( G ` ( 0g ` W ) ) ) ) |
| 17 | 7 8 9 10 13 16 | syl113anc | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( G ` ( ( R .x. X ) ( +g ` W ) ( 0g ` W ) ) ) = ( ( R .X. ( G ` X ) ) ( +g ` D ) ( G ` ( 0g ` W ) ) ) ) |
| 18 | 4 1 5 2 | lmodvscl | |- ( ( W e. LMod /\ R e. K /\ X e. V ) -> ( R .x. X ) e. V ) |
| 19 | 7 9 10 18 | syl3anc | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( R .x. X ) e. V ) |
| 20 | 4 14 11 | lmod0vrid | |- ( ( W e. LMod /\ ( R .x. X ) e. V ) -> ( ( R .x. X ) ( +g ` W ) ( 0g ` W ) ) = ( R .x. X ) ) |
| 21 | 7 19 20 | syl2anc | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( ( R .x. X ) ( +g ` W ) ( 0g ` W ) ) = ( R .x. X ) ) |
| 22 | 21 | fveq2d | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( G ` ( ( R .x. X ) ( +g ` W ) ( 0g ` W ) ) ) = ( G ` ( R .x. X ) ) ) |
| 23 | eqid | |- ( 0g ` D ) = ( 0g ` D ) |
|
| 24 | 1 23 11 6 | lfl0 | |- ( ( W e. LMod /\ G e. F ) -> ( G ` ( 0g ` W ) ) = ( 0g ` D ) ) |
| 25 | 24 | 3adant3 | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( G ` ( 0g ` W ) ) = ( 0g ` D ) ) |
| 26 | 25 | oveq2d | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( ( R .X. ( G ` X ) ) ( +g ` D ) ( G ` ( 0g ` W ) ) ) = ( ( R .X. ( G ` X ) ) ( +g ` D ) ( 0g ` D ) ) ) |
| 27 | 1 | lmodfgrp | |- ( W e. LMod -> D e. Grp ) |
| 28 | 27 | 3ad2ant1 | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> D e. Grp ) |
| 29 | 1 2 4 6 | lflcl | |- ( ( W e. LMod /\ G e. F /\ X e. V ) -> ( G ` X ) e. K ) |
| 30 | 29 | 3adant3l | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( G ` X ) e. K ) |
| 31 | 1 2 3 | lmodmcl | |- ( ( W e. LMod /\ R e. K /\ ( G ` X ) e. K ) -> ( R .X. ( G ` X ) ) e. K ) |
| 32 | 7 9 30 31 | syl3anc | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( R .X. ( G ` X ) ) e. K ) |
| 33 | 2 15 23 | grprid | |- ( ( D e. Grp /\ ( R .X. ( G ` X ) ) e. K ) -> ( ( R .X. ( G ` X ) ) ( +g ` D ) ( 0g ` D ) ) = ( R .X. ( G ` X ) ) ) |
| 34 | 28 32 33 | syl2anc | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( ( R .X. ( G ` X ) ) ( +g ` D ) ( 0g ` D ) ) = ( R .X. ( G ` X ) ) ) |
| 35 | 26 34 | eqtrd | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( ( R .X. ( G ` X ) ) ( +g ` D ) ( G ` ( 0g ` W ) ) ) = ( R .X. ( G ` X ) ) ) |
| 36 | 17 22 35 | 3eqtr3d | |- ( ( W e. LMod /\ G e. F /\ ( R e. K /\ X e. V ) ) -> ( G ` ( R .x. X ) ) = ( R .X. ( G ` X ) ) ) |