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Description: Two functionals with the same kernel are the same up to a constant. (Contributed by NM, 18-Apr-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | eqlkr.d | |- D = ( Scalar ` W ) |
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| eqlkr.k | |- K = ( Base ` D ) |
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| eqlkr.t | |- .x. = ( .r ` D ) |
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| eqlkr.v | |- V = ( Base ` W ) |
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| eqlkr.f | |- F = ( LFnl ` W ) |
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| eqlkr.l | |- L = ( LKer ` W ) |
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| Assertion | eqlkr | |- ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqlkr.d | |- D = ( Scalar ` W ) |
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| 2 | eqlkr.k | |- K = ( Base ` D ) |
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| 3 | eqlkr.t | |- .x. = ( .r ` D ) |
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| 4 | eqlkr.v | |- V = ( Base ` W ) |
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| 5 | eqlkr.f | |- F = ( LFnl ` W ) |
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| 6 | eqlkr.l | |- L = ( LKer ` W ) |
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| 7 | simpl1 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) ) -> W e. LVec ) |
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| 8 | lveclmod | |- ( W e. LVec -> W e. LMod ) |
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| 9 | 1 | lmodring | |- ( W e. LMod -> D e. Ring ) |
| 10 | 8 9 | syl | |- ( W e. LVec -> D e. Ring ) |
| 11 | 7 10 | syl | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) ) -> D e. Ring ) |
| 12 | eqid | |- ( 1r ` D ) = ( 1r ` D ) |
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| 13 | 2 12 | ringidcl | |- ( D e. Ring -> ( 1r ` D ) e. K ) |
| 14 | 11 13 | syl | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) ) -> ( 1r ` D ) e. K ) |
| 15 | simp11 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> W e. LVec ) |
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| 16 | 15 10 | syl | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> D e. Ring ) |
| 17 | simp12l | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> G e. F ) |
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| 18 | simp3 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> x e. V ) |
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| 19 | 1 2 4 5 | lflcl | |- ( ( W e. LVec /\ G e. F /\ x e. V ) -> ( G ` x ) e. K ) |
| 20 | 15 17 18 19 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( G ` x ) e. K ) |
| 21 | 2 3 12 | ringridm | |- ( ( D e. Ring /\ ( G ` x ) e. K ) -> ( ( G ` x ) .x. ( 1r ` D ) ) = ( G ` x ) ) |
| 22 | 16 20 21 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( ( G ` x ) .x. ( 1r ` D ) ) = ( G ` x ) ) |
| 23 | simp2 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> G = ( V X. { ( 0g ` D ) } ) ) |
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| 24 | simp13 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( L ` G ) = ( L ` H ) ) |
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| 25 | 15 8 | syl | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> W e. LMod ) |
| 26 | eqid | |- ( 0g ` D ) = ( 0g ` D ) |
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| 27 | 1 26 4 5 6 | lkr0f | |- ( ( W e. LMod /\ G e. F ) -> ( ( L ` G ) = V <-> G = ( V X. { ( 0g ` D ) } ) ) ) |
| 28 | 25 17 27 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( ( L ` G ) = V <-> G = ( V X. { ( 0g ` D ) } ) ) ) |
| 29 | 23 28 | mpbird | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( L ` G ) = V ) |
| 30 | 24 29 | eqtr3d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( L ` H ) = V ) |
| 31 | simp12r | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> H e. F ) |
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| 32 | 1 26 4 5 6 | lkr0f | |- ( ( W e. LMod /\ H e. F ) -> ( ( L ` H ) = V <-> H = ( V X. { ( 0g ` D ) } ) ) ) |
| 33 | 25 31 32 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( ( L ` H ) = V <-> H = ( V X. { ( 0g ` D ) } ) ) ) |
| 34 | 30 33 | mpbid | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> H = ( V X. { ( 0g ` D ) } ) ) |
| 35 | 23 34 | eqtr4d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> G = H ) |
| 36 | 35 | fveq1d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( G ` x ) = ( H ` x ) ) |
| 37 | 22 36 | eqtr2d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) /\ x e. V ) -> ( H ` x ) = ( ( G ` x ) .x. ( 1r ` D ) ) ) |
| 38 | 37 | 3expia | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) ) -> ( x e. V -> ( H ` x ) = ( ( G ` x ) .x. ( 1r ` D ) ) ) ) |
| 39 | 38 | ralrimiv | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) ) -> A. x e. V ( H ` x ) = ( ( G ` x ) .x. ( 1r ` D ) ) ) |
| 40 | oveq2 | |- ( r = ( 1r ` D ) -> ( ( G ` x ) .x. r ) = ( ( G ` x ) .x. ( 1r ` D ) ) ) |
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| 41 | 40 | eqeq2d | |- ( r = ( 1r ` D ) -> ( ( H ` x ) = ( ( G ` x ) .x. r ) <-> ( H ` x ) = ( ( G ` x ) .x. ( 1r ` D ) ) ) ) |
| 42 | 41 | ralbidv | |- ( r = ( 1r ` D ) -> ( A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) <-> A. x e. V ( H ` x ) = ( ( G ` x ) .x. ( 1r ` D ) ) ) ) |
| 43 | 42 | rspcev | |- ( ( ( 1r ` D ) e. K /\ A. x e. V ( H ` x ) = ( ( G ` x ) .x. ( 1r ` D ) ) ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) |
| 44 | 14 39 43 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G = ( V X. { ( 0g ` D ) } ) ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) |
| 45 | simpl1 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G =/= ( V X. { ( 0g ` D ) } ) ) -> W e. LVec ) |
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| 46 | simpl2l | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G =/= ( V X. { ( 0g ` D ) } ) ) -> G e. F ) |
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| 47 | simpr | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G =/= ( V X. { ( 0g ` D ) } ) ) -> G =/= ( V X. { ( 0g ` D ) } ) ) |
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| 48 | 1 26 12 4 5 | lfl1 | |- ( ( W e. LVec /\ G e. F /\ G =/= ( V X. { ( 0g ` D ) } ) ) -> E. z e. V ( G ` z ) = ( 1r ` D ) ) |
| 49 | 45 46 47 48 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G =/= ( V X. { ( 0g ` D ) } ) ) -> E. z e. V ( G ` z ) = ( 1r ` D ) ) |
| 50 | simpl1 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) ) -> W e. LVec ) |
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| 51 | simpl2r | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) ) -> H e. F ) |
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| 52 | simpr2 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) ) -> z e. V ) |
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| 53 | 1 2 4 5 | lflcl | |- ( ( W e. LVec /\ H e. F /\ z e. V ) -> ( H ` z ) e. K ) |
| 54 | 50 51 52 53 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) ) -> ( H ` z ) e. K ) |
| 55 | simp11 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> W e. LVec ) |
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| 56 | 55 8 | syl | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> W e. LMod ) |
| 57 | simp12r | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> H e. F ) |
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| 58 | simp12l | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> G e. F ) |
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| 59 | simp3 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> x e. V ) |
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| 60 | 1 2 4 5 | lflcl | |- ( ( W e. LMod /\ G e. F /\ x e. V ) -> ( G ` x ) e. K ) |
| 61 | 56 58 59 60 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( G ` x ) e. K ) |
| 62 | simp22 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> z e. V ) |
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| 63 | eqid | |- ( .s ` W ) = ( .s ` W ) |
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| 64 | 1 2 3 4 63 5 | lflmul | |- ( ( W e. LMod /\ H e. F /\ ( ( G ` x ) e. K /\ z e. V ) ) -> ( H ` ( ( G ` x ) ( .s ` W ) z ) ) = ( ( G ` x ) .x. ( H ` z ) ) ) |
| 65 | 56 57 61 62 64 | syl112anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( H ` ( ( G ` x ) ( .s ` W ) z ) ) = ( ( G ` x ) .x. ( H ` z ) ) ) |
| 66 | 65 | oveq2d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( H ` x ) ( -g ` D ) ( H ` ( ( G ` x ) ( .s ` W ) z ) ) ) = ( ( H ` x ) ( -g ` D ) ( ( G ` x ) .x. ( H ` z ) ) ) ) |
| 67 | 4 1 63 2 | lmodvscl | |- ( ( W e. LMod /\ ( G ` x ) e. K /\ z e. V ) -> ( ( G ` x ) ( .s ` W ) z ) e. V ) |
| 68 | 56 61 62 67 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( G ` x ) ( .s ` W ) z ) e. V ) |
| 69 | eqid | |- ( -g ` D ) = ( -g ` D ) |
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| 70 | eqid | |- ( -g ` W ) = ( -g ` W ) |
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| 71 | 1 69 4 70 5 | lflsub | |- ( ( W e. LMod /\ H e. F /\ ( x e. V /\ ( ( G ` x ) ( .s ` W ) z ) e. V ) ) -> ( H ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( ( H ` x ) ( -g ` D ) ( H ` ( ( G ` x ) ( .s ` W ) z ) ) ) ) |
| 72 | 56 57 59 68 71 | syl112anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( H ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( ( H ` x ) ( -g ` D ) ( H ` ( ( G ` x ) ( .s ` W ) z ) ) ) ) |
| 73 | 4 70 | lmodvsubcl | |- ( ( W e. LMod /\ x e. V /\ ( ( G ` x ) ( .s ` W ) z ) e. V ) -> ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. V ) |
| 74 | 56 59 68 73 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. V ) |
| 75 | 1 69 4 70 5 | lflsub | |- ( ( W e. LMod /\ G e. F /\ ( x e. V /\ ( ( G ` x ) ( .s ` W ) z ) e. V ) ) -> ( G ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( ( G ` x ) ( -g ` D ) ( G ` ( ( G ` x ) ( .s ` W ) z ) ) ) ) |
| 76 | 56 58 59 68 75 | syl112anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( G ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( ( G ` x ) ( -g ` D ) ( G ` ( ( G ` x ) ( .s ` W ) z ) ) ) ) |
| 77 | 55 58 59 19 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( G ` x ) e. K ) |
| 78 | 1 2 3 4 63 5 | lflmul | |- ( ( W e. LMod /\ G e. F /\ ( ( G ` x ) e. K /\ z e. V ) ) -> ( G ` ( ( G ` x ) ( .s ` W ) z ) ) = ( ( G ` x ) .x. ( G ` z ) ) ) |
| 79 | 56 58 77 62 78 | syl112anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( G ` ( ( G ` x ) ( .s ` W ) z ) ) = ( ( G ` x ) .x. ( G ` z ) ) ) |
| 80 | simp23 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( G ` z ) = ( 1r ` D ) ) |
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| 81 | 80 | oveq2d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( G ` x ) .x. ( G ` z ) ) = ( ( G ` x ) .x. ( 1r ` D ) ) ) |
| 82 | 55 10 | syl | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> D e. Ring ) |
| 83 | 82 77 21 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( G ` x ) .x. ( 1r ` D ) ) = ( G ` x ) ) |
| 84 | 79 81 83 | 3eqtrd | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( G ` ( ( G ` x ) ( .s ` W ) z ) ) = ( G ` x ) ) |
| 85 | 84 | oveq2d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( G ` x ) ( -g ` D ) ( G ` ( ( G ` x ) ( .s ` W ) z ) ) ) = ( ( G ` x ) ( -g ` D ) ( G ` x ) ) ) |
| 86 | 1 | lmodfgrp | |- ( W e. LMod -> D e. Grp ) |
| 87 | 8 86 | syl | |- ( W e. LVec -> D e. Grp ) |
| 88 | 55 87 | syl | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> D e. Grp ) |
| 89 | 2 26 69 | grpsubid | |- ( ( D e. Grp /\ ( G ` x ) e. K ) -> ( ( G ` x ) ( -g ` D ) ( G ` x ) ) = ( 0g ` D ) ) |
| 90 | 88 77 89 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( G ` x ) ( -g ` D ) ( G ` x ) ) = ( 0g ` D ) ) |
| 91 | 76 85 90 | 3eqtrd | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( G ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( 0g ` D ) ) |
| 92 | 4 1 26 5 6 | ellkr | |- ( ( W e. LVec /\ G e. F ) -> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. ( L ` G ) <-> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. V /\ ( G ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( 0g ` D ) ) ) ) |
| 93 | 55 58 92 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. ( L ` G ) <-> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. V /\ ( G ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( 0g ` D ) ) ) ) |
| 94 | 74 91 93 | mpbir2and | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. ( L ` G ) ) |
| 95 | simp13 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( L ` G ) = ( L ` H ) ) |
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| 96 | 94 95 | eleqtrd | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. ( L ` H ) ) |
| 97 | 4 1 26 5 6 | ellkr | |- ( ( W e. LVec /\ H e. F ) -> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. ( L ` H ) <-> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. V /\ ( H ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( 0g ` D ) ) ) ) |
| 98 | 55 57 97 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. ( L ` H ) <-> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. V /\ ( H ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( 0g ` D ) ) ) ) |
| 99 | 96 98 | mpbid | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) e. V /\ ( H ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( 0g ` D ) ) ) |
| 100 | 99 | simprd | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( H ` ( x ( -g ` W ) ( ( G ` x ) ( .s ` W ) z ) ) ) = ( 0g ` D ) ) |
| 101 | 72 100 | eqtr3d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( H ` x ) ( -g ` D ) ( H ` ( ( G ` x ) ( .s ` W ) z ) ) ) = ( 0g ` D ) ) |
| 102 | 66 101 | eqtr3d | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( H ` x ) ( -g ` D ) ( ( G ` x ) .x. ( H ` z ) ) ) = ( 0g ` D ) ) |
| 103 | 1 2 4 5 | lflcl | |- ( ( W e. LVec /\ H e. F /\ x e. V ) -> ( H ` x ) e. K ) |
| 104 | 55 57 59 103 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( H ` x ) e. K ) |
| 105 | 54 | 3adant3 | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( H ` z ) e. K ) |
| 106 | 1 2 3 | lmodmcl | |- ( ( W e. LMod /\ ( G ` x ) e. K /\ ( H ` z ) e. K ) -> ( ( G ` x ) .x. ( H ` z ) ) e. K ) |
| 107 | 56 77 105 106 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( G ` x ) .x. ( H ` z ) ) e. K ) |
| 108 | 2 26 69 | grpsubeq0 | |- ( ( D e. Grp /\ ( H ` x ) e. K /\ ( ( G ` x ) .x. ( H ` z ) ) e. K ) -> ( ( ( H ` x ) ( -g ` D ) ( ( G ` x ) .x. ( H ` z ) ) ) = ( 0g ` D ) <-> ( H ` x ) = ( ( G ` x ) .x. ( H ` z ) ) ) ) |
| 109 | 88 104 107 108 | syl3anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( ( ( H ` x ) ( -g ` D ) ( ( G ` x ) .x. ( H ` z ) ) ) = ( 0g ` D ) <-> ( H ` x ) = ( ( G ` x ) .x. ( H ` z ) ) ) ) |
| 110 | 102 109 | mpbid | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) /\ x e. V ) -> ( H ` x ) = ( ( G ` x ) .x. ( H ` z ) ) ) |
| 111 | 110 | 3expia | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) ) -> ( x e. V -> ( H ` x ) = ( ( G ` x ) .x. ( H ` z ) ) ) ) |
| 112 | 111 | ralrimiv | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) ) -> A. x e. V ( H ` x ) = ( ( G ` x ) .x. ( H ` z ) ) ) |
| 113 | oveq2 | |- ( r = ( H ` z ) -> ( ( G ` x ) .x. r ) = ( ( G ` x ) .x. ( H ` z ) ) ) |
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| 114 | 113 | eqeq2d | |- ( r = ( H ` z ) -> ( ( H ` x ) = ( ( G ` x ) .x. r ) <-> ( H ` x ) = ( ( G ` x ) .x. ( H ` z ) ) ) ) |
| 115 | 114 | ralbidv | |- ( r = ( H ` z ) -> ( A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) <-> A. x e. V ( H ` x ) = ( ( G ` x ) .x. ( H ` z ) ) ) ) |
| 116 | 115 | rspcev | |- ( ( ( H ` z ) e. K /\ A. x e. V ( H ` x ) = ( ( G ` x ) .x. ( H ` z ) ) ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) |
| 117 | 54 112 116 | syl2anc | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ ( G =/= ( V X. { ( 0g ` D ) } ) /\ z e. V /\ ( G ` z ) = ( 1r ` D ) ) ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) |
| 118 | 117 | 3exp2 | |- ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) -> ( G =/= ( V X. { ( 0g ` D ) } ) -> ( z e. V -> ( ( G ` z ) = ( 1r ` D ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) ) ) ) |
| 119 | 118 | imp | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G =/= ( V X. { ( 0g ` D ) } ) ) -> ( z e. V -> ( ( G ` z ) = ( 1r ` D ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) ) ) |
| 120 | 119 | rexlimdv | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G =/= ( V X. { ( 0g ` D ) } ) ) -> ( E. z e. V ( G ` z ) = ( 1r ` D ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) ) |
| 121 | 49 120 | mpd | |- ( ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) /\ G =/= ( V X. { ( 0g ` D ) } ) ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) |
| 122 | 44 121 | pm2.61dane | |- ( ( W e. LVec /\ ( G e. F /\ H e. F ) /\ ( L ` G ) = ( L ` H ) ) -> E. r e. K A. x e. V ( H ` x ) = ( ( G ` x ) .x. r ) ) |