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Description: Lemma for lshpkrex . Part of showing linearity of G . (Contributed by NM, 16-Jul-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lshpkrlem.v | |- V = ( Base ` W ) |
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| lshpkrlem.a | |- .+ = ( +g ` W ) |
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| lshpkrlem.n | |- N = ( LSpan ` W ) |
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| lshpkrlem.p | |- .(+) = ( LSSum ` W ) |
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| lshpkrlem.h | |- H = ( LSHyp ` W ) |
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| lshpkrlem.w | |- ( ph -> W e. LVec ) |
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| lshpkrlem.u | |- ( ph -> U e. H ) |
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| lshpkrlem.z | |- ( ph -> Z e. V ) |
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| lshpkrlem.x | |- ( ph -> X e. V ) |
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| lshpkrlem.e | |- ( ph -> ( U .(+) ( N ` { Z } ) ) = V ) |
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| lshpkrlem.d | |- D = ( Scalar ` W ) |
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| lshpkrlem.k | |- K = ( Base ` D ) |
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| lshpkrlem.t | |- .x. = ( .s ` W ) |
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| lshpkrlem.o | |- .0. = ( 0g ` D ) |
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| lshpkrlem.g | |- G = ( x e. V |-> ( iota_ k e. K E. y e. U x = ( y .+ ( k .x. Z ) ) ) ) |
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| Assertion | lshpkrlem4 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) ) ) -> ( ( l .x. u ) .+ v ) = ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) .x. Z ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lshpkrlem.v | |- V = ( Base ` W ) |
|
| 2 | lshpkrlem.a | |- .+ = ( +g ` W ) |
|
| 3 | lshpkrlem.n | |- N = ( LSpan ` W ) |
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| 4 | lshpkrlem.p | |- .(+) = ( LSSum ` W ) |
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| 5 | lshpkrlem.h | |- H = ( LSHyp ` W ) |
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| 6 | lshpkrlem.w | |- ( ph -> W e. LVec ) |
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| 7 | lshpkrlem.u | |- ( ph -> U e. H ) |
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| 8 | lshpkrlem.z | |- ( ph -> Z e. V ) |
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| 9 | lshpkrlem.x | |- ( ph -> X e. V ) |
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| 10 | lshpkrlem.e | |- ( ph -> ( U .(+) ( N ` { Z } ) ) = V ) |
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| 11 | lshpkrlem.d | |- D = ( Scalar ` W ) |
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| 12 | lshpkrlem.k | |- K = ( Base ` D ) |
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| 13 | lshpkrlem.t | |- .x. = ( .s ` W ) |
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| 14 | lshpkrlem.o | |- .0. = ( 0g ` D ) |
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| 15 | lshpkrlem.g | |- G = ( x e. V |-> ( iota_ k e. K E. y e. U x = ( y .+ ( k .x. Z ) ) ) ) |
|
| 16 | simp3l | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) ) ) -> u = ( r .+ ( ( G ` u ) .x. Z ) ) ) |
|
| 17 | 16 | oveq2d | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) ) ) -> ( l .x. u ) = ( l .x. ( r .+ ( ( G ` u ) .x. Z ) ) ) ) |
| 18 | simp3r | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) ) ) -> v = ( s .+ ( ( G ` v ) .x. Z ) ) ) |
|
| 19 | 17 18 | oveq12d | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) ) ) -> ( ( l .x. u ) .+ v ) = ( ( l .x. ( r .+ ( ( G ` u ) .x. Z ) ) ) .+ ( s .+ ( ( G ` v ) .x. Z ) ) ) ) |
| 20 | simpl1 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ph ) |
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| 21 | lveclmod | |- ( W e. LVec -> W e. LMod ) |
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| 22 | 20 6 21 | 3syl | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> W e. LMod ) |
| 23 | simpl2 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> l e. K ) |
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| 24 | simpr2 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> r e. V ) |
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| 25 | simpl3 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> u e. V ) |
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| 26 | 6 | adantr | |- ( ( ph /\ u e. V ) -> W e. LVec ) |
| 27 | 7 | adantr | |- ( ( ph /\ u e. V ) -> U e. H ) |
| 28 | 8 | adantr | |- ( ( ph /\ u e. V ) -> Z e. V ) |
| 29 | simpr | |- ( ( ph /\ u e. V ) -> u e. V ) |
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| 30 | 10 | adantr | |- ( ( ph /\ u e. V ) -> ( U .(+) ( N ` { Z } ) ) = V ) |
| 31 | 1 2 3 4 5 26 27 28 29 30 11 12 13 14 15 | lshpkrlem2 | |- ( ( ph /\ u e. V ) -> ( G ` u ) e. K ) |
| 32 | 20 25 31 | syl2anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( G ` u ) e. K ) |
| 33 | 20 8 | syl | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> Z e. V ) |
| 34 | 1 11 13 12 | lmodvscl | |- ( ( W e. LMod /\ ( G ` u ) e. K /\ Z e. V ) -> ( ( G ` u ) .x. Z ) e. V ) |
| 35 | 22 32 33 34 | syl3anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( G ` u ) .x. Z ) e. V ) |
| 36 | 1 2 11 13 12 | lmodvsdi | |- ( ( W e. LMod /\ ( l e. K /\ r e. V /\ ( ( G ` u ) .x. Z ) e. V ) ) -> ( l .x. ( r .+ ( ( G ` u ) .x. Z ) ) ) = ( ( l .x. r ) .+ ( l .x. ( ( G ` u ) .x. Z ) ) ) ) |
| 37 | 22 23 24 35 36 | syl13anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( l .x. ( r .+ ( ( G ` u ) .x. Z ) ) ) = ( ( l .x. r ) .+ ( l .x. ( ( G ` u ) .x. Z ) ) ) ) |
| 38 | eqid | |- ( .r ` D ) = ( .r ` D ) |
|
| 39 | 1 11 13 12 38 | lmodvsass | |- ( ( W e. LMod /\ ( l e. K /\ ( G ` u ) e. K /\ Z e. V ) ) -> ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) = ( l .x. ( ( G ` u ) .x. Z ) ) ) |
| 40 | 22 23 32 33 39 | syl13anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) = ( l .x. ( ( G ` u ) .x. Z ) ) ) |
| 41 | 40 | oveq2d | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( l .x. r ) .+ ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) ) = ( ( l .x. r ) .+ ( l .x. ( ( G ` u ) .x. Z ) ) ) ) |
| 42 | 37 41 | eqtr4d | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( l .x. ( r .+ ( ( G ` u ) .x. Z ) ) ) = ( ( l .x. r ) .+ ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) ) ) |
| 43 | 42 | oveq1d | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( l .x. ( r .+ ( ( G ` u ) .x. Z ) ) ) .+ ( s .+ ( ( G ` v ) .x. Z ) ) ) = ( ( ( l .x. r ) .+ ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) ) .+ ( s .+ ( ( G ` v ) .x. Z ) ) ) ) |
| 44 | 1 11 13 12 | lmodvscl | |- ( ( W e. LMod /\ l e. K /\ r e. V ) -> ( l .x. r ) e. V ) |
| 45 | 22 23 24 44 | syl3anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( l .x. r ) e. V ) |
| 46 | 11 12 38 | lmodmcl | |- ( ( W e. LMod /\ l e. K /\ ( G ` u ) e. K ) -> ( l ( .r ` D ) ( G ` u ) ) e. K ) |
| 47 | 22 23 32 46 | syl3anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( l ( .r ` D ) ( G ` u ) ) e. K ) |
| 48 | 1 11 13 12 | lmodvscl | |- ( ( W e. LMod /\ ( l ( .r ` D ) ( G ` u ) ) e. K /\ Z e. V ) -> ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) e. V ) |
| 49 | 22 47 33 48 | syl3anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) e. V ) |
| 50 | simpr3 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> s e. V ) |
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| 51 | simpr1 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> v e. V ) |
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| 52 | 6 | adantr | |- ( ( ph /\ v e. V ) -> W e. LVec ) |
| 53 | 7 | adantr | |- ( ( ph /\ v e. V ) -> U e. H ) |
| 54 | 8 | adantr | |- ( ( ph /\ v e. V ) -> Z e. V ) |
| 55 | simpr | |- ( ( ph /\ v e. V ) -> v e. V ) |
|
| 56 | 10 | adantr | |- ( ( ph /\ v e. V ) -> ( U .(+) ( N ` { Z } ) ) = V ) |
| 57 | 1 2 3 4 5 52 53 54 55 56 11 12 13 14 15 | lshpkrlem2 | |- ( ( ph /\ v e. V ) -> ( G ` v ) e. K ) |
| 58 | 20 51 57 | syl2anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( G ` v ) e. K ) |
| 59 | 1 11 13 12 | lmodvscl | |- ( ( W e. LMod /\ ( G ` v ) e. K /\ Z e. V ) -> ( ( G ` v ) .x. Z ) e. V ) |
| 60 | 22 58 33 59 | syl3anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( G ` v ) .x. Z ) e. V ) |
| 61 | 1 2 | lmod4 | |- ( ( W e. LMod /\ ( ( l .x. r ) e. V /\ ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) e. V ) /\ ( s e. V /\ ( ( G ` v ) .x. Z ) e. V ) ) -> ( ( ( l .x. r ) .+ ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) ) .+ ( s .+ ( ( G ` v ) .x. Z ) ) ) = ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) .+ ( ( G ` v ) .x. Z ) ) ) ) |
| 62 | 22 45 49 50 60 61 | syl122anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( ( l .x. r ) .+ ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) ) .+ ( s .+ ( ( G ` v ) .x. Z ) ) ) = ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) .+ ( ( G ` v ) .x. Z ) ) ) ) |
| 63 | eqid | |- ( +g ` D ) = ( +g ` D ) |
|
| 64 | 1 2 11 13 12 63 | lmodvsdir | |- ( ( W e. LMod /\ ( ( l ( .r ` D ) ( G ` u ) ) e. K /\ ( G ` v ) e. K /\ Z e. V ) ) -> ( ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) .x. Z ) = ( ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) .+ ( ( G ` v ) .x. Z ) ) ) |
| 65 | 22 47 58 33 64 | syl13anc | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) .x. Z ) = ( ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) .+ ( ( G ` v ) .x. Z ) ) ) |
| 66 | 65 | oveq2d | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) .x. Z ) ) = ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) .+ ( ( G ` v ) .x. Z ) ) ) ) |
| 67 | 62 66 | eqtr4d | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( ( l .x. r ) .+ ( ( l ( .r ` D ) ( G ` u ) ) .x. Z ) ) .+ ( s .+ ( ( G ` v ) .x. Z ) ) ) = ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) .x. Z ) ) ) |
| 68 | 43 67 | eqtrd | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) ) -> ( ( l .x. ( r .+ ( ( G ` u ) .x. Z ) ) ) .+ ( s .+ ( ( G ` v ) .x. Z ) ) ) = ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) .x. Z ) ) ) |
| 69 | 68 | 3adant3 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) ) ) -> ( ( l .x. ( r .+ ( ( G ` u ) .x. Z ) ) ) .+ ( s .+ ( ( G ` v ) .x. Z ) ) ) = ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) .x. Z ) ) ) |
| 70 | 19 69 | eqtrd | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. V /\ s e. V ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) ) ) -> ( ( l .x. u ) .+ v ) = ( ( ( l .x. r ) .+ s ) .+ ( ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) .x. Z ) ) ) |