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Description: Closure of the negative of a functional. (This is specialized for the purpose of proving ldualgrp , and we do not define a general operation here.) (Contributed by NM, 22-Oct-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lflnegcl.v | |- V = ( Base ` W ) |
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| lflnegcl.r | |- R = ( Scalar ` W ) |
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| lflnegcl.i | |- I = ( invg ` R ) |
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| lflnegcl.n | |- N = ( x e. V |-> ( I ` ( G ` x ) ) ) |
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| lflnegcl.f | |- F = ( LFnl ` W ) |
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| lflnegcl.w | |- ( ph -> W e. LMod ) |
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| lflnegcl.g | |- ( ph -> G e. F ) |
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| Assertion | lflnegcl | |- ( ph -> N e. F ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lflnegcl.v | |- V = ( Base ` W ) |
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| 2 | lflnegcl.r | |- R = ( Scalar ` W ) |
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| 3 | lflnegcl.i | |- I = ( invg ` R ) |
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| 4 | lflnegcl.n | |- N = ( x e. V |-> ( I ` ( G ` x ) ) ) |
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| 5 | lflnegcl.f | |- F = ( LFnl ` W ) |
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| 6 | lflnegcl.w | |- ( ph -> W e. LMod ) |
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| 7 | lflnegcl.g | |- ( ph -> G e. F ) |
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| 8 | 2 | lmodring | |- ( W e. LMod -> R e. Ring ) |
| 9 | 6 8 | syl | |- ( ph -> R e. Ring ) |
| 10 | ringgrp | |- ( R e. Ring -> R e. Grp ) |
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| 11 | 9 10 | syl | |- ( ph -> R e. Grp ) |
| 12 | 11 | adantr | |- ( ( ph /\ x e. V ) -> R e. Grp ) |
| 13 | 6 | adantr | |- ( ( ph /\ x e. V ) -> W e. LMod ) |
| 14 | 7 | adantr | |- ( ( ph /\ x e. V ) -> G e. F ) |
| 15 | simpr | |- ( ( ph /\ x e. V ) -> x e. V ) |
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| 16 | eqid | |- ( Base ` R ) = ( Base ` R ) |
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| 17 | 2 16 1 5 | lflcl | |- ( ( W e. LMod /\ G e. F /\ x e. V ) -> ( G ` x ) e. ( Base ` R ) ) |
| 18 | 13 14 15 17 | syl3anc | |- ( ( ph /\ x e. V ) -> ( G ` x ) e. ( Base ` R ) ) |
| 19 | 16 3 | grpinvcl | |- ( ( R e. Grp /\ ( G ` x ) e. ( Base ` R ) ) -> ( I ` ( G ` x ) ) e. ( Base ` R ) ) |
| 20 | 12 18 19 | syl2anc | |- ( ( ph /\ x e. V ) -> ( I ` ( G ` x ) ) e. ( Base ` R ) ) |
| 21 | 20 4 | fmptd | |- ( ph -> N : V --> ( Base ` R ) ) |
| 22 | ringabl | |- ( R e. Ring -> R e. Abel ) |
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| 23 | 9 22 | syl | |- ( ph -> R e. Abel ) |
| 24 | 23 | adantr | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> R e. Abel ) |
| 25 | 9 | adantr | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> R e. Ring ) |
| 26 | simpr1 | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> k e. ( Base ` R ) ) |
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| 27 | 6 | adantr | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> W e. LMod ) |
| 28 | 7 | adantr | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> G e. F ) |
| 29 | simpr2 | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> y e. V ) |
|
| 30 | 2 16 1 5 | lflcl | |- ( ( W e. LMod /\ G e. F /\ y e. V ) -> ( G ` y ) e. ( Base ` R ) ) |
| 31 | 27 28 29 30 | syl3anc | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( G ` y ) e. ( Base ` R ) ) |
| 32 | eqid | |- ( .r ` R ) = ( .r ` R ) |
|
| 33 | 16 32 | ringcl | |- ( ( R e. Ring /\ k e. ( Base ` R ) /\ ( G ` y ) e. ( Base ` R ) ) -> ( k ( .r ` R ) ( G ` y ) ) e. ( Base ` R ) ) |
| 34 | 25 26 31 33 | syl3anc | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( k ( .r ` R ) ( G ` y ) ) e. ( Base ` R ) ) |
| 35 | simpr3 | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> z e. V ) |
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| 36 | 2 16 1 5 | lflcl | |- ( ( W e. LMod /\ G e. F /\ z e. V ) -> ( G ` z ) e. ( Base ` R ) ) |
| 37 | 27 28 35 36 | syl3anc | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( G ` z ) e. ( Base ` R ) ) |
| 38 | eqid | |- ( +g ` R ) = ( +g ` R ) |
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| 39 | 16 38 3 | ablinvadd | |- ( ( R e. Abel /\ ( k ( .r ` R ) ( G ` y ) ) e. ( Base ` R ) /\ ( G ` z ) e. ( Base ` R ) ) -> ( I ` ( ( k ( .r ` R ) ( G ` y ) ) ( +g ` R ) ( G ` z ) ) ) = ( ( I ` ( k ( .r ` R ) ( G ` y ) ) ) ( +g ` R ) ( I ` ( G ` z ) ) ) ) |
| 40 | 24 34 37 39 | syl3anc | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( I ` ( ( k ( .r ` R ) ( G ` y ) ) ( +g ` R ) ( G ` z ) ) ) = ( ( I ` ( k ( .r ` R ) ( G ` y ) ) ) ( +g ` R ) ( I ` ( G ` z ) ) ) ) |
| 41 | eqid | |- ( +g ` W ) = ( +g ` W ) |
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| 42 | eqid | |- ( .s ` W ) = ( .s ` W ) |
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| 43 | 1 41 2 42 16 38 32 5 | lfli | |- ( ( W e. LMod /\ G e. F /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( G ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) = ( ( k ( .r ` R ) ( G ` y ) ) ( +g ` R ) ( G ` z ) ) ) |
| 44 | 27 28 26 29 35 43 | syl113anc | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( G ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) = ( ( k ( .r ` R ) ( G ` y ) ) ( +g ` R ) ( G ` z ) ) ) |
| 45 | 44 | fveq2d | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( I ` ( G ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) ) = ( I ` ( ( k ( .r ` R ) ( G ` y ) ) ( +g ` R ) ( G ` z ) ) ) ) |
| 46 | 16 32 3 25 26 31 | ringmneg2 | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( k ( .r ` R ) ( I ` ( G ` y ) ) ) = ( I ` ( k ( .r ` R ) ( G ` y ) ) ) ) |
| 47 | 46 | oveq1d | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( ( k ( .r ` R ) ( I ` ( G ` y ) ) ) ( +g ` R ) ( I ` ( G ` z ) ) ) = ( ( I ` ( k ( .r ` R ) ( G ` y ) ) ) ( +g ` R ) ( I ` ( G ` z ) ) ) ) |
| 48 | 40 45 47 | 3eqtr4d | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( I ` ( G ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) ) = ( ( k ( .r ` R ) ( I ` ( G ` y ) ) ) ( +g ` R ) ( I ` ( G ` z ) ) ) ) |
| 49 | 1 2 42 16 | lmodvscl | |- ( ( W e. LMod /\ k e. ( Base ` R ) /\ y e. V ) -> ( k ( .s ` W ) y ) e. V ) |
| 50 | 27 26 29 49 | syl3anc | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( k ( .s ` W ) y ) e. V ) |
| 51 | 1 41 | lmodvacl | |- ( ( W e. LMod /\ ( k ( .s ` W ) y ) e. V /\ z e. V ) -> ( ( k ( .s ` W ) y ) ( +g ` W ) z ) e. V ) |
| 52 | 27 50 35 51 | syl3anc | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( ( k ( .s ` W ) y ) ( +g ` W ) z ) e. V ) |
| 53 | 2fveq3 | |- ( x = ( ( k ( .s ` W ) y ) ( +g ` W ) z ) -> ( I ` ( G ` x ) ) = ( I ` ( G ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) ) ) |
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| 54 | fvex | |- ( I ` ( G ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) ) e. _V |
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| 55 | 53 4 54 | fvmpt | |- ( ( ( k ( .s ` W ) y ) ( +g ` W ) z ) e. V -> ( N ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) = ( I ` ( G ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) ) ) |
| 56 | 52 55 | syl | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( N ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) = ( I ` ( G ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) ) ) |
| 57 | 2fveq3 | |- ( x = y -> ( I ` ( G ` x ) ) = ( I ` ( G ` y ) ) ) |
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| 58 | fvex | |- ( I ` ( G ` y ) ) e. _V |
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| 59 | 57 4 58 | fvmpt | |- ( y e. V -> ( N ` y ) = ( I ` ( G ` y ) ) ) |
| 60 | 29 59 | syl | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( N ` y ) = ( I ` ( G ` y ) ) ) |
| 61 | 60 | oveq2d | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( k ( .r ` R ) ( N ` y ) ) = ( k ( .r ` R ) ( I ` ( G ` y ) ) ) ) |
| 62 | 2fveq3 | |- ( x = z -> ( I ` ( G ` x ) ) = ( I ` ( G ` z ) ) ) |
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| 63 | fvex | |- ( I ` ( G ` z ) ) e. _V |
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| 64 | 62 4 63 | fvmpt | |- ( z e. V -> ( N ` z ) = ( I ` ( G ` z ) ) ) |
| 65 | 35 64 | syl | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( N ` z ) = ( I ` ( G ` z ) ) ) |
| 66 | 61 65 | oveq12d | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( ( k ( .r ` R ) ( N ` y ) ) ( +g ` R ) ( N ` z ) ) = ( ( k ( .r ` R ) ( I ` ( G ` y ) ) ) ( +g ` R ) ( I ` ( G ` z ) ) ) ) |
| 67 | 48 56 66 | 3eqtr4d | |- ( ( ph /\ ( k e. ( Base ` R ) /\ y e. V /\ z e. V ) ) -> ( N ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) = ( ( k ( .r ` R ) ( N ` y ) ) ( +g ` R ) ( N ` z ) ) ) |
| 68 | 67 | ralrimivvva | |- ( ph -> A. k e. ( Base ` R ) A. y e. V A. z e. V ( N ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) = ( ( k ( .r ` R ) ( N ` y ) ) ( +g ` R ) ( N ` z ) ) ) |
| 69 | 1 41 2 42 16 38 32 5 | islfl | |- ( W e. LMod -> ( N e. F <-> ( N : V --> ( Base ` R ) /\ A. k e. ( Base ` R ) A. y e. V A. z e. V ( N ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) = ( ( k ( .r ` R ) ( N ` y ) ) ( +g ` R ) ( N ` z ) ) ) ) ) |
| 70 | 6 69 | syl | |- ( ph -> ( N e. F <-> ( N : V --> ( Base ` R ) /\ A. k e. ( Base ` R ) A. y e. V A. z e. V ( N ` ( ( k ( .s ` W ) y ) ( +g ` W ) z ) ) = ( ( k ( .r ` R ) ( N ` y ) ) ( +g ` R ) ( N ` z ) ) ) ) ) |
| 71 | 21 68 70 | mpbir2and | |- ( ph -> N e. F ) |