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Description: Lemma for lshpkrex . Show linearlity of G . (Contributed by NM, 17-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 | lshpkrlem6 | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lshpkrlem.v | |- V = ( Base ` W ) |
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| 2 | lshpkrlem.a | |- .+ = ( +g ` W ) |
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| 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 ) ) ) ) |
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| 16 | 6 | adantr | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> W e. LVec ) |
| 17 | 7 | adantr | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> U e. H ) |
| 18 | 8 | adantr | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> Z e. V ) |
| 19 | simpr2 | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> u e. V ) |
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| 20 | 10 | adantr | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> ( U .(+) ( N ` { Z } ) ) = V ) |
| 21 | 1 2 3 4 5 16 17 18 19 20 11 12 13 14 15 | lshpkrlem3 | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> E. r e. U u = ( r .+ ( ( G ` u ) .x. Z ) ) ) |
| 22 | simpr3 | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> v e. V ) |
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| 23 | 1 2 3 4 5 16 17 18 22 20 11 12 13 14 15 | lshpkrlem3 | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> E. s e. U v = ( s .+ ( ( G ` v ) .x. Z ) ) ) |
| 24 | lveclmod | |- ( W e. LVec -> W e. LMod ) |
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| 25 | 16 24 | syl | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> W e. LMod ) |
| 26 | simpr1 | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> l e. K ) |
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| 27 | 1 11 13 12 | lmodvscl | |- ( ( W e. LMod /\ l e. K /\ u e. V ) -> ( l .x. u ) e. V ) |
| 28 | 25 26 19 27 | syl3anc | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> ( l .x. u ) e. V ) |
| 29 | 1 2 | lmodvacl | |- ( ( W e. LMod /\ ( l .x. u ) e. V /\ v e. V ) -> ( ( l .x. u ) .+ v ) e. V ) |
| 30 | 25 28 22 29 | syl3anc | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> ( ( l .x. u ) .+ v ) e. V ) |
| 31 | 1 2 3 4 5 16 17 18 30 20 11 12 13 14 15 | lshpkrlem3 | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> E. z e. U ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) |
| 32 | 3reeanv | |- ( E. r e. U E. s e. U E. z e. U ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) <-> ( E. r e. U u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ E. s e. U v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ E. z e. U ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) |
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| 33 | simp1l | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> ph ) |
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| 34 | simp1r1 | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> l e. K ) |
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| 35 | simp1r2 | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> u e. V ) |
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| 36 | simp1r3 | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> v e. V ) |
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| 37 | simp2ll | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> r e. U ) |
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| 38 | simp2lr | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> s e. U ) |
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| 39 | simp2r | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> z e. U ) |
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| 40 | 38 39 | jca | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> ( s e. U /\ z e. U ) ) |
| 41 | simp31 | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> u = ( r .+ ( ( G ` u ) .x. Z ) ) ) |
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| 42 | simp32 | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> v = ( s .+ ( ( G ` v ) .x. Z ) ) ) |
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| 43 | simp33 | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) |
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| 44 | 1 2 3 4 5 6 7 8 8 10 11 12 13 14 15 | lshpkrlem5 | |- ( ( ( ph /\ l e. K /\ u e. V ) /\ ( v e. V /\ r e. U /\ ( s e. U /\ z e. U ) ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) |
| 45 | 33 34 35 36 37 40 41 42 43 44 | syl333anc | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( ( r e. U /\ s e. U ) /\ z e. U ) /\ ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) |
| 46 | 45 | 3exp | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> ( ( ( r e. U /\ s e. U ) /\ z e. U ) -> ( ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) ) ) |
| 47 | 46 | expdimp | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( r e. U /\ s e. U ) ) -> ( z e. U -> ( ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) ) ) |
| 48 | 47 | rexlimdv | |- ( ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) /\ ( r e. U /\ s e. U ) ) -> ( E. z e. U ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) ) |
| 49 | 48 | rexlimdvva | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> ( E. r e. U E. s e. U E. z e. U ( u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) ) |
| 50 | 32 49 | biimtrrid | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> ( ( E. r e. U u = ( r .+ ( ( G ` u ) .x. Z ) ) /\ E. s e. U v = ( s .+ ( ( G ` v ) .x. Z ) ) /\ E. z e. U ( ( l .x. u ) .+ v ) = ( z .+ ( ( G ` ( ( l .x. u ) .+ v ) ) .x. Z ) ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) ) |
| 51 | 21 23 31 50 | mp3and | |- ( ( ph /\ ( l e. K /\ u e. V /\ v e. V ) ) -> ( G ` ( ( l .x. u ) .+ v ) ) = ( ( l ( .r ` D ) ( G ` u ) ) ( +g ` D ) ( G ` v ) ) ) |