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Theorem dvhlveclem 35905
Description: Lemma for dvhlvec 35906. TODO: proof substituting inner part first shorter/longer than substituting outer part first? TODO: break up into smaller lemmas? TODO: does  ph  -> method shorten proof? (Contributed by NM, 22-Oct-2013.) (Proof shortened by Mario Carneiro, 24-Jun-2014.)
Hypotheses
Ref Expression
dvhgrp.b  |-  B  =  ( Base `  K
)
dvhgrp.h  |-  H  =  ( LHyp `  K
)
dvhgrp.t  |-  T  =  ( ( LTrn `  K
) `  W )
dvhgrp.e  |-  E  =  ( ( TEndo `  K
) `  W )
dvhgrp.u  |-  U  =  ( ( DVecH `  K
) `  W )
dvhgrp.d  |-  D  =  (Scalar `  U )
dvhgrp.p  |-  .+^  =  ( +g  `  D )
dvhgrp.a  |-  .+  =  ( +g  `  U )
dvhgrp.o  |-  .0.  =  ( 0g `  D )
dvhgrp.i  |-  I  =  ( invg `  D )
dvhlvec.m  |-  .X.  =  ( .r `  D )
dvhlvec.s  |-  .x.  =  ( .s `  U )
Assertion
Ref Expression
dvhlveclem  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  U  e.  LVec )

Proof of Theorem dvhlveclem
Dummy variables  t 
f  s are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 dvhgrp.h . . . . 5  |-  H  =  ( LHyp `  K
)
2 dvhgrp.t . . . . 5  |-  T  =  ( ( LTrn `  K
) `  W )
3 dvhgrp.e . . . . 5  |-  E  =  ( ( TEndo `  K
) `  W )
4 dvhgrp.u . . . . 5  |-  U  =  ( ( DVecH `  K
) `  W )
5 eqid 2467 . . . . 5  |-  ( Base `  U )  =  (
Base `  U )
61, 2, 3, 4, 5dvhvbase 35884 . . . 4  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( Base `  U
)  =  ( T  X.  E ) )
76eqcomd 2475 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( T  X.  E
)  =  ( Base `  U ) )
8 dvhgrp.a . . . 4  |-  .+  =  ( +g  `  U )
98a1i 11 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  .+  =  ( +g  `  U ) )
10 dvhgrp.d . . . 4  |-  D  =  (Scalar `  U )
1110a1i 11 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  D  =  (Scalar `  U ) )
12 dvhlvec.s . . . 4  |-  .x.  =  ( .s `  U )
1312a1i 11 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  .x.  =  ( .s
`  U ) )
14 eqid 2467 . . . . 5  |-  ( Base `  D )  =  (
Base `  D )
151, 3, 4, 10, 14dvhbase 35880 . . . 4  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( Base `  D
)  =  E )
1615eqcomd 2475 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  E  =  ( Base `  D ) )
17 dvhgrp.p . . . 4  |-  .+^  =  ( +g  `  D )
1817a1i 11 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  -> 
.+^  =  ( +g  `  D ) )
19 dvhlvec.m . . . 4  |-  .X.  =  ( .r `  D )
2019a1i 11 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  .X.  =  ( .r
`  D ) )
21 eqid 2467 . . . . . 6  |-  ( (
EDRing `  K ) `  W )  =  ( ( EDRing `  K ) `  W )
221, 21, 4, 10dvhsca 35879 . . . . 5  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  D  =  ( (
EDRing `  K ) `  W ) )
2322fveq2d 5868 . . . 4  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( 1r `  D
)  =  ( 1r
`  ( ( EDRing `  K ) `  W
) ) )
24 eqid 2467 . . . . 5  |-  ( 1r
`  ( ( EDRing `  K ) `  W
) )  =  ( 1r `  ( (
EDRing `  K ) `  W ) )
251, 2, 21, 24erng1r 35791 . . . 4  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( 1r `  (
( EDRing `  K ) `  W ) )  =  (  _I  |`  T ) )
2623, 25eqtr2d 2509 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  (  _I  |`  T )  =  ( 1r `  D ) )
271, 21erngdv 35789 . . . . 5  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( ( EDRing `  K
) `  W )  e.  DivRing )
2822, 27eqeltrd 2555 . . . 4  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  D  e.  DivRing )
29 drngrng 17186 . . . 4  |-  ( D  e.  DivRing  ->  D  e.  Ring )
3028, 29syl 16 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  D  e.  Ring )
31 dvhgrp.b . . . 4  |-  B  =  ( Base `  K
)
32 dvhgrp.o . . . 4  |-  .0.  =  ( 0g `  D )
33 dvhgrp.i . . . 4  |-  I  =  ( invg `  D )
3431, 1, 2, 3, 4, 10, 17, 8, 32, 33dvhgrp 35904 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  U  e.  Grp )
351, 2, 3, 4, 12dvhvscacl 35900 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
) ) )  -> 
( s  .x.  t
)  e.  ( T  X.  E ) )
36353impb 1192 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  E  /\  t  e.  ( T  X.  E ) )  ->  ( s  .x.  t )  e.  ( T  X.  E ) )
37 simpl 457 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( K  e.  HL  /\  W  e.  H ) )
38 simpr1 1002 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
s  e.  E )
39 simpr2 1003 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
t  e.  ( T  X.  E ) )
40 xp1st 6811 . . . . . . . 8  |-  ( t  e.  ( T  X.  E )  ->  ( 1st `  t )  e.  T )
4139, 40syl 16 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  t
)  e.  T )
42 simpr3 1004 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
f  e.  ( T  X.  E ) )
43 xp1st 6811 . . . . . . . 8  |-  ( f  e.  ( T  X.  E )  ->  ( 1st `  f )  e.  T )
4442, 43syl 16 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  f
)  e.  T )
451, 2, 3tendospdi1 35817 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  ( 1st `  t )  e.  T  /\  ( 1st `  f
)  e.  T ) )  ->  ( s `  ( ( 1st `  t
)  o.  ( 1st `  f ) ) )  =  ( ( s `
 ( 1st `  t
) )  o.  (
s `  ( 1st `  f ) ) ) )
4637, 38, 41, 44, 45syl13anc 1230 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s `  (
( 1st `  t
)  o.  ( 1st `  f ) ) )  =  ( ( s `
 ( 1st `  t
) )  o.  (
s `  ( 1st `  f ) ) ) )
471, 2, 3, 4, 10, 8, 17dvhvadd 35889 . . . . . . . . . 10  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .+  f
)  =  <. (
( 1st `  t
)  o.  ( 1st `  f ) ) ,  ( ( 2nd `  t
)  .+^  ( 2nd `  f
) ) >. )
48473adantr1 1155 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .+  f
)  =  <. (
( 1st `  t
)  o.  ( 1st `  f ) ) ,  ( ( 2nd `  t
)  .+^  ( 2nd `  f
) ) >. )
4948fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
t  .+  f )
)  =  ( 1st `  <. ( ( 1st `  t )  o.  ( 1st `  f ) ) ,  ( ( 2nd `  t )  .+^  ( 2nd `  f ) ) >.
) )
50 fvex 5874 . . . . . . . . . 10  |-  ( 1st `  t )  e.  _V
51 fvex 5874 . . . . . . . . . 10  |-  ( 1st `  f )  e.  _V
5250, 51coex 6733 . . . . . . . . 9  |-  ( ( 1st `  t )  o.  ( 1st `  f
) )  e.  _V
53 ovex 6307 . . . . . . . . 9  |-  ( ( 2nd `  t ) 
.+^  ( 2nd `  f
) )  e.  _V
5452, 53op1st 6789 . . . . . . . 8  |-  ( 1st `  <. ( ( 1st `  t )  o.  ( 1st `  f ) ) ,  ( ( 2nd `  t )  .+^  ( 2nd `  f ) ) >.
)  =  ( ( 1st `  t )  o.  ( 1st `  f
) )
5549, 54syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
t  .+  f )
)  =  ( ( 1st `  t )  o.  ( 1st `  f
) ) )
5655fveq2d 5868 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s `  ( 1st `  ( t  .+  f ) ) )  =  ( s `  ( ( 1st `  t
)  o.  ( 1st `  f ) ) ) )
571, 2, 3, 4, 12dvhvsca 35898 . . . . . . . . . 10  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
) ) )  -> 
( s  .x.  t
)  =  <. (
s `  ( 1st `  t ) ) ,  ( s  o.  ( 2nd `  t ) )
>. )
58573adantr3 1157 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  t
)  =  <. (
s `  ( 1st `  t ) ) ,  ( s  o.  ( 2nd `  t ) )
>. )
5958fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
s  .x.  t )
)  =  ( 1st `  <. ( s `  ( 1st `  t ) ) ,  ( s  o.  ( 2nd `  t
) ) >. )
)
60 fvex 5874 . . . . . . . . 9  |-  ( s `
 ( 1st `  t
) )  e.  _V
61 vex 3116 . . . . . . . . . 10  |-  s  e. 
_V
62 fvex 5874 . . . . . . . . . 10  |-  ( 2nd `  t )  e.  _V
6361, 62coex 6733 . . . . . . . . 9  |-  ( s  o.  ( 2nd `  t
) )  e.  _V
6460, 63op1st 6789 . . . . . . . 8  |-  ( 1st `  <. ( s `  ( 1st `  t ) ) ,  ( s  o.  ( 2nd `  t
) ) >. )  =  ( s `  ( 1st `  t ) )
6559, 64syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
s  .x.  t )
)  =  ( s `
 ( 1st `  t
) ) )
661, 2, 3, 4, 12dvhvsca 35898 . . . . . . . . . 10  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  f
)  =  <. (
s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f ) )
>. )
67663adantr2 1156 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  f
)  =  <. (
s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f ) )
>. )
6867fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
s  .x.  f )
)  =  ( 1st `  <. ( s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f
) ) >. )
)
69 fvex 5874 . . . . . . . . 9  |-  ( s `
 ( 1st `  f
) )  e.  _V
70 fvex 5874 . . . . . . . . . 10  |-  ( 2nd `  f )  e.  _V
7161, 70coex 6733 . . . . . . . . 9  |-  ( s  o.  ( 2nd `  f
) )  e.  _V
7269, 71op1st 6789 . . . . . . . 8  |-  ( 1st `  <. ( s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f
) ) >. )  =  ( s `  ( 1st `  f ) )
7368, 72syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
s  .x.  f )
)  =  ( s `
 ( 1st `  f
) ) )
7465, 73coeq12d 5165 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( 1st `  (
s  .x.  t )
)  o.  ( 1st `  ( s  .x.  f
) ) )  =  ( ( s `  ( 1st `  t ) )  o.  ( s `
 ( 1st `  f
) ) ) )
7546, 56, 743eqtr4d 2518 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s `  ( 1st `  ( t  .+  f ) ) )  =  ( ( 1st `  ( s  .x.  t
) )  o.  ( 1st `  ( s  .x.  f ) ) ) )
7630adantr 465 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  ->  D  e.  Ring )
7716adantr 465 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  ->  E  =  ( Base `  D ) )
7838, 77eleqtrd 2557 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
s  e.  ( Base `  D ) )
79 xp2nd 6812 . . . . . . . . . 10  |-  ( t  e.  ( T  X.  E )  ->  ( 2nd `  t )  e.  E )
8039, 79syl 16 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  t
)  e.  E )
8180, 77eleqtrd 2557 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  t
)  e.  ( Base `  D ) )
82 xp2nd 6812 . . . . . . . . . 10  |-  ( f  e.  ( T  X.  E )  ->  ( 2nd `  f )  e.  E )
8342, 82syl 16 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  f
)  e.  E )
8483, 77eleqtrd 2557 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  f
)  e.  ( Base `  D ) )
8514, 17, 19rngdi 17004 . . . . . . . 8  |-  ( ( D  e.  Ring  /\  (
s  e.  ( Base `  D )  /\  ( 2nd `  t )  e.  ( Base `  D
)  /\  ( 2nd `  f )  e.  (
Base `  D )
) )  ->  (
s  .X.  ( ( 2nd `  t )  .+^  ( 2nd `  f ) ) )  =  ( ( s  .X.  ( 2nd `  t ) ) 
.+^  ( s  .X.  ( 2nd `  f ) ) ) )
8676, 78, 81, 84, 85syl13anc 1230 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .X.  (
( 2nd `  t
)  .+^  ( 2nd `  f
) ) )  =  ( ( s  .X.  ( 2nd `  t ) )  .+^  ( s  .X.  ( 2nd `  f
) ) ) )
8714, 17rngacl 17013 . . . . . . . . . 10  |-  ( ( D  e.  Ring  /\  ( 2nd `  t )  e.  ( Base `  D
)  /\  ( 2nd `  f )  e.  (
Base `  D )
)  ->  ( ( 2nd `  t )  .+^  ( 2nd `  f ) )  e.  ( Base `  D ) )
8876, 81, 84, 87syl3anc 1228 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( 2nd `  t
)  .+^  ( 2nd `  f
) )  e.  (
Base `  D )
)
8988, 77eleqtrrd 2558 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( 2nd `  t
)  .+^  ( 2nd `  f
) )  e.  E
)
901, 2, 3, 4, 10, 19dvhmulr 35883 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  ( ( 2nd `  t ) 
.+^  ( 2nd `  f
) )  e.  E
) )  ->  (
s  .X.  ( ( 2nd `  t )  .+^  ( 2nd `  f ) ) )  =  ( s  o.  ( ( 2nd `  t ) 
.+^  ( 2nd `  f
) ) ) )
9137, 38, 89, 90syl12anc 1226 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .X.  (
( 2nd `  t
)  .+^  ( 2nd `  f
) ) )  =  ( s  o.  (
( 2nd `  t
)  .+^  ( 2nd `  f
) ) ) )
921, 2, 3, 4, 10, 19dvhmulr 35883 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  ( 2nd `  t )  e.  E
) )  ->  (
s  .X.  ( 2nd `  t ) )  =  ( s  o.  ( 2nd `  t ) ) )
9337, 38, 80, 92syl12anc 1226 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .X.  ( 2nd `  t ) )  =  ( s  o.  ( 2nd `  t
) ) )
941, 2, 3, 4, 10, 19dvhmulr 35883 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  ( 2nd `  f )  e.  E
) )  ->  (
s  .X.  ( 2nd `  f ) )  =  ( s  o.  ( 2nd `  f ) ) )
9537, 38, 83, 94syl12anc 1226 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .X.  ( 2nd `  f ) )  =  ( s  o.  ( 2nd `  f
) ) )
9693, 95oveq12d 6300 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .X.  ( 2nd `  t ) )  .+^  ( s  .X.  ( 2nd `  f
) ) )  =  ( ( s  o.  ( 2nd `  t
) )  .+^  ( s  o.  ( 2nd `  f
) ) ) )
9786, 91, 963eqtr3d 2516 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  o.  (
( 2nd `  t
)  .+^  ( 2nd `  f
) ) )  =  ( ( s  o.  ( 2nd `  t
) )  .+^  ( s  o.  ( 2nd `  f
) ) ) )
9848fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
t  .+  f )
)  =  ( 2nd `  <. ( ( 1st `  t )  o.  ( 1st `  f ) ) ,  ( ( 2nd `  t )  .+^  ( 2nd `  f ) ) >.
) )
9952, 53op2nd 6790 . . . . . . . 8  |-  ( 2nd `  <. ( ( 1st `  t )  o.  ( 1st `  f ) ) ,  ( ( 2nd `  t )  .+^  ( 2nd `  f ) ) >.
)  =  ( ( 2nd `  t ) 
.+^  ( 2nd `  f
) )
10098, 99syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
t  .+  f )
)  =  ( ( 2nd `  t ) 
.+^  ( 2nd `  f
) ) )
101100coeq2d 5163 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  o.  ( 2nd `  ( t  .+  f ) ) )  =  ( s  o.  ( ( 2nd `  t
)  .+^  ( 2nd `  f
) ) ) )
10258fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
s  .x.  t )
)  =  ( 2nd `  <. ( s `  ( 1st `  t ) ) ,  ( s  o.  ( 2nd `  t
) ) >. )
)
10360, 63op2nd 6790 . . . . . . . 8  |-  ( 2nd `  <. ( s `  ( 1st `  t ) ) ,  ( s  o.  ( 2nd `  t
) ) >. )  =  ( s  o.  ( 2nd `  t
) )
104102, 103syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
s  .x.  t )
)  =  ( s  o.  ( 2nd `  t
) ) )
10567fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
s  .x.  f )
)  =  ( 2nd `  <. ( s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f
) ) >. )
)
10669, 71op2nd 6790 . . . . . . . 8  |-  ( 2nd `  <. ( s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f
) ) >. )  =  ( s  o.  ( 2nd `  f
) )
107105, 106syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
s  .x.  f )
)  =  ( s  o.  ( 2nd `  f
) ) )
108104, 107oveq12d 6300 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( 2nd `  (
s  .x.  t )
)  .+^  ( 2nd `  (
s  .x.  f )
) )  =  ( ( s  o.  ( 2nd `  t ) ) 
.+^  ( s  o.  ( 2nd `  f
) ) ) )
10997, 101, 1083eqtr4d 2518 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  o.  ( 2nd `  ( t  .+  f ) ) )  =  ( ( 2nd `  ( s  .x.  t
) )  .+^  ( 2nd `  ( s  .x.  f
) ) ) )
11075, 109opeq12d 4221 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  ->  <. ( s `  ( 1st `  ( t  .+  f ) ) ) ,  ( s  o.  ( 2nd `  (
t  .+  f )
) ) >.  =  <. ( ( 1st `  (
s  .x.  t )
)  o.  ( 1st `  ( s  .x.  f
) ) ) ,  ( ( 2nd `  (
s  .x.  t )
)  .+^  ( 2nd `  (
s  .x.  f )
) ) >. )
1111, 2, 3, 4, 10, 17, 8dvhvaddcl 35892 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .+  f
)  e.  ( T  X.  E ) )
1121113adantr1 1155 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .+  f
)  e.  ( T  X.  E ) )
1131, 2, 3, 4, 12dvhvsca 35898 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  ( t 
.+  f )  e.  ( T  X.  E
) ) )  -> 
( s  .x.  (
t  .+  f )
)  =  <. (
s `  ( 1st `  ( t  .+  f
) ) ) ,  ( s  o.  ( 2nd `  ( t  .+  f ) ) )
>. )
11437, 38, 112, 113syl12anc 1226 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  (
t  .+  f )
)  =  <. (
s `  ( 1st `  ( t  .+  f
) ) ) ,  ( s  o.  ( 2nd `  ( t  .+  f ) ) )
>. )
115353adantr3 1157 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  t
)  e.  ( T  X.  E ) )
1161, 2, 3, 4, 12dvhvscacl 35900 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  f
)  e.  ( T  X.  E ) )
1171163adantr2 1156 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  f
)  e.  ( T  X.  E ) )
1181, 2, 3, 4, 10, 8, 17dvhvadd 35889 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( s 
.x.  t )  e.  ( T  X.  E
)  /\  ( s  .x.  f )  e.  ( T  X.  E ) ) )  ->  (
( s  .x.  t
)  .+  ( s  .x.  f ) )  = 
<. ( ( 1st `  (
s  .x.  t )
)  o.  ( 1st `  ( s  .x.  f
) ) ) ,  ( ( 2nd `  (
s  .x.  t )
)  .+^  ( 2nd `  (
s  .x.  f )
) ) >. )
11937, 115, 117, 118syl12anc 1226 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .x.  t )  .+  (
s  .x.  f )
)  =  <. (
( 1st `  (
s  .x.  t )
)  o.  ( 1st `  ( s  .x.  f
) ) ) ,  ( ( 2nd `  (
s  .x.  t )
)  .+^  ( 2nd `  (
s  .x.  f )
) ) >. )
120110, 114, 1193eqtr4d 2518 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  ( T  X.  E
)  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  (
t  .+  f )
)  =  ( ( s  .x.  t ) 
.+  ( s  .x.  f ) ) )
121 simpl 457 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( K  e.  HL  /\  W  e.  H ) )
122 simpr1 1002 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
s  e.  E )
123 simpr2 1003 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
t  e.  E )
124 simpr3 1004 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
f  e.  ( T  X.  E ) )
125124, 43syl 16 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  f
)  e.  T )
126 eqid 2467 . . . . . . . 8  |-  ( +g  `  ( ( EDRing `  K
) `  W )
)  =  ( +g  `  ( ( EDRing `  K
) `  W )
)
1271, 2, 3, 21, 126erngplus2 35600 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  ( 1st `  f )  e.  T
) )  ->  (
( s ( +g  `  ( ( EDRing `  K
) `  W )
) t ) `  ( 1st `  f ) )  =  ( ( s `  ( 1st `  f ) )  o.  ( t `  ( 1st `  f ) ) ) )
128121, 122, 123, 125, 127syl13anc 1230 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s ( +g  `  ( (
EDRing `  K ) `  W ) ) t ) `  ( 1st `  f ) )  =  ( ( s `  ( 1st `  f ) )  o.  ( t `
 ( 1st `  f
) ) ) )
12922fveq2d 5868 . . . . . . . . . 10  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( +g  `  D
)  =  ( +g  `  ( ( EDRing `  K
) `  W )
) )
13017, 129syl5eq 2520 . . . . . . . . 9  |-  ( ( K  e.  HL  /\  W  e.  H )  -> 
.+^  =  ( +g  `  ( ( EDRing `  K
) `  W )
) )
131130oveqd 6299 . . . . . . . 8  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( s  .+^  t )  =  ( s ( +g  `  ( (
EDRing `  K ) `  W ) ) t ) )
132131fveq1d 5866 . . . . . . 7  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( ( s  .+^  t ) `  ( 1st `  f ) )  =  ( ( s ( +g  `  (
( EDRing `  K ) `  W ) ) t ) `  ( 1st `  f ) ) )
133132adantr 465 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t ) `  ( 1st `  f ) )  =  ( ( s ( +g  `  (
( EDRing `  K ) `  W ) ) t ) `  ( 1st `  f ) ) )
134663adantr2 1156 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  f
)  =  <. (
s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f ) )
>. )
135134fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
s  .x.  f )
)  =  ( 1st `  <. ( s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f
) ) >. )
)
136135, 72syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
s  .x.  f )
)  =  ( s `
 ( 1st `  f
) ) )
1371, 2, 3, 4, 12dvhvsca 35898 . . . . . . . . . 10  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .x.  f
)  =  <. (
t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f ) )
>. )
1381373adantr1 1155 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .x.  f
)  =  <. (
t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f ) )
>. )
139138fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
t  .x.  f )
)  =  ( 1st `  <. ( t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f
) ) >. )
)
140 fvex 5874 . . . . . . . . 9  |-  ( t `
 ( 1st `  f
) )  e.  _V
141 vex 3116 . . . . . . . . . 10  |-  t  e. 
_V
142141, 70coex 6733 . . . . . . . . 9  |-  ( t  o.  ( 2nd `  f
) )  e.  _V
143140, 142op1st 6789 . . . . . . . 8  |-  ( 1st `  <. ( t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f
) ) >. )  =  ( t `  ( 1st `  f ) )
144139, 143syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 1st `  (
t  .x.  f )
)  =  ( t `
 ( 1st `  f
) ) )
145136, 144coeq12d 5165 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( 1st `  (
s  .x.  f )
)  o.  ( 1st `  ( t  .x.  f
) ) )  =  ( ( s `  ( 1st `  f ) )  o.  ( t `
 ( 1st `  f
) ) ) )
146128, 133, 1453eqtr4d 2518 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t ) `  ( 1st `  f ) )  =  ( ( 1st `  ( s  .x.  f
) )  o.  ( 1st `  ( t  .x.  f ) ) ) )
14730adantr 465 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  ->  D  e.  Ring )
14816adantr 465 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  ->  E  =  ( Base `  D ) )
149122, 148eleqtrd 2557 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
s  e.  ( Base `  D ) )
150123, 148eleqtrd 2557 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
t  e.  ( Base `  D ) )
151124, 82syl 16 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  f
)  e.  E )
152151, 148eleqtrd 2557 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  f
)  e.  ( Base `  D ) )
15314, 17, 19rngdir 17005 . . . . . . . 8  |-  ( ( D  e.  Ring  /\  (
s  e.  ( Base `  D )  /\  t  e.  ( Base `  D
)  /\  ( 2nd `  f )  e.  (
Base `  D )
) )  ->  (
( s  .+^  t ) 
.X.  ( 2nd `  f
) )  =  ( ( s  .X.  ( 2nd `  f ) ) 
.+^  ( t  .X.  ( 2nd `  f ) ) ) )
154147, 149, 150, 152, 153syl13anc 1230 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t )  .X.  ( 2nd `  f ) )  =  ( ( s 
.X.  ( 2nd `  f
) )  .+^  ( t 
.X.  ( 2nd `  f
) ) ) )
15514, 17rngacl 17013 . . . . . . . . . 10  |-  ( ( D  e.  Ring  /\  s  e.  ( Base `  D
)  /\  t  e.  ( Base `  D )
)  ->  ( s  .+^  t )  e.  (
Base `  D )
)
156147, 149, 150, 155syl3anc 1228 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .+^  t )  e.  ( Base `  D
) )
157156, 148eleqtrrd 2558 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .+^  t )  e.  E )
1581, 2, 3, 4, 10, 19dvhmulr 35883 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( s 
.+^  t )  e.  E  /\  ( 2nd `  f )  e.  E
) )  ->  (
( s  .+^  t ) 
.X.  ( 2nd `  f
) )  =  ( ( s  .+^  t )  o.  ( 2nd `  f
) ) )
159121, 157, 151, 158syl12anc 1226 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t )  .X.  ( 2nd `  f ) )  =  ( ( s 
.+^  t )  o.  ( 2nd `  f
) ) )
160121, 122, 151, 94syl12anc 1226 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .X.  ( 2nd `  f ) )  =  ( s  o.  ( 2nd `  f
) ) )
1611, 2, 3, 4, 10, 19dvhmulr 35883 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( t  e.  E  /\  ( 2nd `  f )  e.  E
) )  ->  (
t  .X.  ( 2nd `  f ) )  =  ( t  o.  ( 2nd `  f ) ) )
162121, 123, 151, 161syl12anc 1226 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .X.  ( 2nd `  f ) )  =  ( t  o.  ( 2nd `  f
) ) )
163160, 162oveq12d 6300 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .X.  ( 2nd `  f ) )  .+^  ( t  .X.  ( 2nd `  f
) ) )  =  ( ( s  o.  ( 2nd `  f
) )  .+^  ( t  o.  ( 2nd `  f
) ) ) )
164154, 159, 1633eqtr3d 2516 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t )  o.  ( 2nd `  f ) )  =  ( ( s  o.  ( 2nd `  f
) )  .+^  ( t  o.  ( 2nd `  f
) ) ) )
165134fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
s  .x.  f )
)  =  ( 2nd `  <. ( s `  ( 1st `  f ) ) ,  ( s  o.  ( 2nd `  f
) ) >. )
)
166165, 106syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
s  .x.  f )
)  =  ( s  o.  ( 2nd `  f
) ) )
167138fveq2d 5868 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
t  .x.  f )
)  =  ( 2nd `  <. ( t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f
) ) >. )
)
168140, 142op2nd 6790 . . . . . . . 8  |-  ( 2nd `  <. ( t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f
) ) >. )  =  ( t  o.  ( 2nd `  f
) )
169167, 168syl6eq 2524 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( 2nd `  (
t  .x.  f )
)  =  ( t  o.  ( 2nd `  f
) ) )
170166, 169oveq12d 6300 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( 2nd `  (
s  .x.  f )
)  .+^  ( 2nd `  (
t  .x.  f )
) )  =  ( ( s  o.  ( 2nd `  f ) ) 
.+^  ( t  o.  ( 2nd `  f
) ) ) )
171164, 170eqtr4d 2511 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t )  o.  ( 2nd `  f ) )  =  ( ( 2nd `  ( s  .x.  f
) )  .+^  ( 2nd `  ( t  .x.  f
) ) ) )
172146, 171opeq12d 4221 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  ->  <. ( ( s  .+^  t ) `  ( 1st `  f ) ) ,  ( ( s 
.+^  t )  o.  ( 2nd `  f
) ) >.  =  <. ( ( 1st `  (
s  .x.  f )
)  o.  ( 1st `  ( t  .x.  f
) ) ) ,  ( ( 2nd `  (
s  .x.  f )
)  .+^  ( 2nd `  (
t  .x.  f )
) ) >. )
1731, 2, 3, 4, 12dvhvsca 35898 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( s 
.+^  t )  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t )  .x.  f
)  =  <. (
( s  .+^  t ) `
 ( 1st `  f
) ) ,  ( ( s  .+^  t )  o.  ( 2nd `  f
) ) >. )
174121, 157, 124, 173syl12anc 1226 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t )  .x.  f
)  =  <. (
( s  .+^  t ) `
 ( 1st `  f
) ) ,  ( ( s  .+^  t )  o.  ( 2nd `  f
) ) >. )
1751163adantr2 1156 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  f
)  e.  ( T  X.  E ) )
1761, 2, 3, 4, 12dvhvscacl 35900 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .x.  f
)  e.  ( T  X.  E ) )
1771763adantr1 1155 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  .x.  f
)  e.  ( T  X.  E ) )
1781, 2, 3, 4, 10, 8, 17dvhvadd 35889 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( s 
.x.  f )  e.  ( T  X.  E
)  /\  ( t  .x.  f )  e.  ( T  X.  E ) ) )  ->  (
( s  .x.  f
)  .+  ( t  .x.  f ) )  = 
<. ( ( 1st `  (
s  .x.  f )
)  o.  ( 1st `  ( t  .x.  f
) ) ) ,  ( ( 2nd `  (
s  .x.  f )
)  .+^  ( 2nd `  (
t  .x.  f )
) ) >. )
179121, 175, 177, 178syl12anc 1226 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .x.  f )  .+  (
t  .x.  f )
)  =  <. (
( 1st `  (
s  .x.  f )
)  o.  ( 1st `  ( t  .x.  f
) ) ) ,  ( ( 2nd `  (
s  .x.  f )
)  .+^  ( 2nd `  (
t  .x.  f )
) ) >. )
180172, 174, 1793eqtr4d 2518 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .+^  t )  .x.  f
)  =  ( ( s  .x.  f ) 
.+  ( t  .x.  f ) ) )
1811, 2, 3tendocoval 35562 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E )  /\  ( 1st `  f )  e.  T )  ->  (
( s  o.  t
) `  ( 1st `  f ) )  =  ( s `  (
t `  ( 1st `  f ) ) ) )
182121, 122, 123, 125, 181syl121anc 1233 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  o.  t ) `  ( 1st `  f ) )  =  ( s `  ( t `  ( 1st `  f ) ) ) )
183 coass 5524 . . . . . . 7  |-  ( ( s  o.  t )  o.  ( 2nd `  f
) )  =  ( s  o.  ( t  o.  ( 2nd `  f
) ) )
184183a1i 11 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  o.  t )  o.  ( 2nd `  f ) )  =  ( s  o.  ( t  o.  ( 2nd `  f ) ) ) )
185182, 184opeq12d 4221 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  ->  <. ( ( s  o.  t ) `  ( 1st `  f ) ) ,  ( ( s  o.  t )  o.  ( 2nd `  f
) ) >.  =  <. ( s `  ( t `
 ( 1st `  f
) ) ) ,  ( s  o.  (
t  o.  ( 2nd `  f ) ) )
>. )
1861, 3tendococl 35568 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  E  /\  t  e.  E
)  ->  ( s  o.  t )  e.  E
)
187121, 122, 123, 186syl3anc 1228 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  o.  t
)  e.  E )
1881, 2, 3, 4, 12dvhvsca 35898 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( s  o.  t )  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  o.  t )  .x.  f
)  =  <. (
( s  o.  t
) `  ( 1st `  f ) ) ,  ( ( s  o.  t )  o.  ( 2nd `  f ) )
>. )
189121, 187, 124, 188syl12anc 1226 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  o.  t )  .x.  f
)  =  <. (
( s  o.  t
) `  ( 1st `  f ) ) ,  ( ( s  o.  t )  o.  ( 2nd `  f ) )
>. )
1901, 2, 3tendocl 35563 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  t  e.  E  /\  ( 1st `  f
)  e.  T )  ->  ( t `  ( 1st `  f ) )  e.  T )
191121, 123, 125, 190syl3anc 1228 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( t `  ( 1st `  f ) )  e.  T )
1921, 3tendococl 35568 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  t  e.  E  /\  ( 2nd `  f
)  e.  E )  ->  ( t  o.  ( 2nd `  f
) )  e.  E
)
193121, 123, 151, 192syl3anc 1228 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( t  o.  ( 2nd `  f ) )  e.  E )
1941, 2, 3, 4, 12dvhopvsca 35899 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  ( t `
 ( 1st `  f
) )  e.  T  /\  ( t  o.  ( 2nd `  f ) )  e.  E ) )  ->  ( s  .x.  <.
( t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f
) ) >. )  =  <. ( s `  ( t `  ( 1st `  f ) ) ) ,  ( s  o.  ( t  o.  ( 2nd `  f
) ) ) >.
)
195121, 122, 191, 193, 194syl13anc 1230 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  <. (
t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f ) )
>. )  =  <. ( s `  ( t `
 ( 1st `  f
) ) ) ,  ( s  o.  (
t  o.  ( 2nd `  f ) ) )
>. )
196185, 189, 1953eqtr4d 2518 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  o.  t )  .x.  f
)  =  ( s 
.x.  <. ( t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f
) ) >. )
)
1971, 2, 3, 4, 10, 19dvhmulr 35883 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E ) )  -> 
( s  .X.  t
)  =  ( s  o.  t ) )
1981973adantr3 1157 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .X.  t
)  =  ( s  o.  t ) )
199198oveq1d 6297 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .X.  t )  .x.  f
)  =  ( ( s  o.  t ) 
.x.  f ) )
200138oveq2d 6298 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( s  .x.  (
t  .x.  f )
)  =  ( s 
.x.  <. ( t `  ( 1st `  f ) ) ,  ( t  o.  ( 2nd `  f
) ) >. )
)
201196, 199, 2003eqtr4d 2518 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( s  e.  E  /\  t  e.  E  /\  f  e.  ( T  X.  E
) ) )  -> 
( ( s  .X.  t )  .x.  f
)  =  ( s 
.x.  ( t  .x.  f ) ) )
202 xp1st 6811 . . . . . . 7  |-  ( s  e.  ( T  X.  E )  ->  ( 1st `  s )  e.  T )
203202adantl 466 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  ( 1st `  s )  e.  T
)
204 tendospid 35814 . . . . . 6  |-  ( ( 1st `  s )  e.  T  ->  (
(  _I  |`  T ) `
 ( 1st `  s
) )  =  ( 1st `  s ) )
205203, 204syl 16 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  ( (  _I  |`  T ) `  ( 1st `  s ) )  =  ( 1st `  s ) )
206 xp2nd 6812 . . . . . . 7  |-  ( s  e.  ( T  X.  E )  ->  ( 2nd `  s )  e.  E )
2071, 2, 3tendof 35559 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( 2nd `  s
)  e.  E )  ->  ( 2nd `  s
) : T --> T )
208206, 207sylan2 474 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  ( 2nd `  s ) : T --> T )
209 fcoi2 5758 . . . . . 6  |-  ( ( 2nd `  s ) : T --> T  -> 
( (  _I  |`  T )  o.  ( 2nd `  s
) )  =  ( 2nd `  s ) )
210208, 209syl 16 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  ( (  _I  |`  T )  o.  ( 2nd `  s
) )  =  ( 2nd `  s ) )
211205, 210opeq12d 4221 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  <. ( (  _I  |`  T ) `  ( 1st `  s
) ) ,  ( (  _I  |`  T )  o.  ( 2nd `  s
) ) >.  =  <. ( 1st `  s ) ,  ( 2nd `  s
) >. )
2121, 2, 3tendoidcl 35565 . . . . . 6  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  (  _I  |`  T )  e.  E )
213212anim1i 568 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  ( (  _I  |`  T )  e.  E  /\  s  e.  ( T  X.  E
) ) )
2141, 2, 3, 4, 12dvhvsca 35898 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( (  _I  |`  T )  e.  E  /\  s  e.  ( T  X.  E ) ) )  ->  ( (  _I  |`  T )  .x.  s )  =  <. ( (  _I  |`  T ) `
 ( 1st `  s
) ) ,  ( (  _I  |`  T )  o.  ( 2nd `  s
) ) >. )
215213, 214syldan 470 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  ( (  _I  |`  T )  .x.  s )  =  <. ( (  _I  |`  T ) `
 ( 1st `  s
) ) ,  ( (  _I  |`  T )  o.  ( 2nd `  s
) ) >. )
216 1st2nd2 6818 . . . . 5  |-  ( s  e.  ( T  X.  E )  ->  s  =  <. ( 1st `  s
) ,  ( 2nd `  s ) >. )
217216adantl 466 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  s  =  <. ( 1st `  s
) ,  ( 2nd `  s ) >. )
218211, 215, 2173eqtr4d 2518 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  ( T  X.  E ) )  ->  ( (  _I  |`  T )  .x.  s )  =  s )
2197, 9, 11, 13, 16, 18, 20, 26, 30, 34, 36, 120, 180, 201, 218islmodd 17301 . 2  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  U  e.  LMod )
22010islvec 17533 . 2  |-  ( U  e.  LVec  <->  ( U  e. 
LMod  /\  D  e.  DivRing ) )
221219, 28, 220sylanbrc 664 1  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  U  e.  LVec )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 369    /\ w3a 973    = wceq 1379    e. wcel 1767   <.cop 4033    _I cid 4790    X. cxp 4997    |` cres 5001    o. ccom 5003   -->wf 5582   ` cfv 5586  (class class class)co 6282   1stc1st 6779   2ndc2nd 6780   Basecbs 14486   +g cplusg 14551   .rcmulr 14552  Scalarcsca 14554   .scvsca 14555   0gc0g 14691   invgcminusg 15724   1rcur 16943   Ringcrg 16986   DivRingcdr 17179   LModclmod 17295   LVecclvec 17531   HLchlt 34147   LHypclh 34780   LTrncltrn 34897   TEndoctendo 35548   EDRingcedring 35549   DVecHcdvh 35875
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1601  ax-4 1612  ax-5 1680  ax-6 1719  ax-7 1739  ax-8 1769  ax-9 1771  ax-10 1786  ax-11 1791  ax-12 1803  ax-13 1968  ax-ext 2445  ax-rep 4558  ax-sep 4568  ax-nul 4576  ax-pow 4625  ax-pr 4686  ax-un 6574  ax-cnex 9544  ax-resscn 9545  ax-1cn 9546  ax-icn 9547  ax-addcl 9548  ax-addrcl 9549  ax-mulcl 9550  ax-mulrcl 9551  ax-mulcom 9552  ax-addass 9553  ax-mulass 9554  ax-distr 9555  ax-i2m1 9556  ax-1ne0 9557  ax-1rid 9558  ax-rnegex 9559  ax-rrecex 9560  ax-cnre 9561  ax-pre-lttri 9562  ax-pre-lttrn 9563  ax-pre-ltadd 9564  ax-pre-mulgt0 9565  ax-riotaBAD 33756
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 974  df-3an 975  df-tru 1382  df-fal 1385  df-ex 1597  df-nf 1600  df-sb 1712  df-eu 2279  df-mo 2280  df-clab 2453  df-cleq 2459  df-clel 2462  df-nfc 2617  df-ne 2664  df-nel 2665  df-ral 2819  df-rex 2820  df-reu 2821  df-rmo 2822  df-rab 2823  df-v 3115  df-sbc 3332  df-csb 3436  df-dif 3479  df-un 3481  df-in 3483  df-ss 3490  df-pss 3492  df-nul 3786  df-if 3940  df-pw 4012  df-sn 4028  df-pr 4030  df-tp 4032  df-op 4034  df-uni 4246  df-int 4283  df-iun 4327  df-iin 4328  df-br 4448  df-opab 4506  df-mpt 4507  df-tr 4541  df-eprel 4791  df-id 4795  df-po 4800  df-so 4801  df-fr 4838  df-we 4840  df-ord 4881  df-on 4882  df-lim 4883  df-suc 4884  df-xp 5005  df-rel 5006  df-cnv 5007  df-co 5008  df-dm 5009  df-rn 5010  df-res 5011  df-ima 5012  df-iota 5549  df-fun 5588  df-fn 5589  df-f 5590  df-f1 5591  df-fo 5592  df-f1o 5593  df-fv 5594  df-riota 6243  df-ov 6285  df-oprab 6286  df-mpt2 6287  df-om 6679  df-1st 6781  df-2nd 6782  df-tpos 6952  df-undef 6999  df-recs 7039  df-rdg 7073  df-1o 7127  df-oadd 7131  df-er 7308  df-map 7419  df-en 7514  df-dom 7515  df-sdom 7516  df-fin 7517  df-pnf 9626  df-mnf 9627  df-xr 9628  df-ltxr 9629  df-le 9630  df-sub 9803  df-neg 9804  df-nn 10533  df-2 10590  df-3 10591  df-4 10592  df-5 10593  df-6 10594  df-n0 10792  df-z 10861  df-uz 11079  df-fz 11669  df-struct 14488  df-ndx 14489  df-slot 14490  df-base 14491  df-sets 14492  df-ress 14493  df-plusg 14564  df-mulr 14565  df-sca 14567  df-vsca 14568  df-0g 14693  df-poset 15429  df-plt 15441  df-lub 15457  df-glb 15458  df-join 15459  df-meet 15460  df-p0 15522  df-p1 15523  df-lat 15529  df-clat 15591  df-mnd 15728  df-grp 15858  df-minusg 15859  df-mgp 16932  df-ur 16944  df-rng 16988  df-oppr 17056  df-dvdsr 17074  df-unit 17075  df-invr 17105  df-dvr 17116  df-drng 17181  df-lmod 17297  df-lvec 17532  df-oposet 33973  df-ol 33975  df-oml 33976  df-covers 34063  df-ats 34064  df-atl 34095  df-cvlat 34119  df-hlat 34148  df-llines 34294  df-lplanes 34295  df-lvols 34296  df-lines 34297  df-psubsp 34299  df-pmap 34300  df-padd 34592  df-lhyp 34784  df-laut 34785  df-ldil 34900  df-ltrn 34901  df-trl 34955  df-tendo 35551  df-edring 35553  df-dvech 35876
This theorem is referenced by:  dvhlvec  35906
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