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Theorem docafvalN 31921
Description: Subspace orthocomplement for  DVecA partial vector space. (Contributed by NM, 6-Dec-2013.) (New usage is discouraged.)
Hypotheses
Ref Expression
docaval.j  |-  .\/  =  ( join `  K )
docaval.m  |-  ./\  =  ( meet `  K )
docaval.o  |-  ._|_  =  ( oc `  K )
docaval.h  |-  H  =  ( LHyp `  K
)
docaval.t  |-  T  =  ( ( LTrn `  K
) `  W )
docaval.i  |-  I  =  ( ( DIsoA `  K
) `  W )
docaval.n  |-  N  =  ( ( ocA `  K
) `  W )
Assertion
Ref Expression
docafvalN  |-  ( ( K  e.  V  /\  W  e.  H )  ->  N  =  ( x  e.  ~P T  |->  ( I `  ( ( (  ._|_  `  ( `' I `  |^| { z  e.  ran  I  |  x  C_  z }
) )  .\/  (  ._|_  `  W ) ) 
./\  W ) ) ) )
Distinct variable groups:    x, z, K    x, I, z    x, T    x, W, z
Allowed substitution hints:    T( z)    H( x, z)    .\/ ( x, z)    ./\ (
x, z)    N( x, z)   
._|_ ( x, z)    V( x, z)

Proof of Theorem docafvalN
Dummy variable  w is distinct from all other variables.
StepHypRef Expression
1 docaval.n . . 3  |-  N  =  ( ( ocA `  K
) `  W )
2 docaval.j . . . . 5  |-  .\/  =  ( join `  K )
3 docaval.m . . . . 5  |-  ./\  =  ( meet `  K )
4 docaval.o . . . . 5  |-  ._|_  =  ( oc `  K )
5 docaval.h . . . . 5  |-  H  =  ( LHyp `  K
)
62, 3, 4, 5docaffvalN 31920 . . . 4  |-  ( K  e.  V  ->  ( ocA `  K )  =  ( w  e.  H  |->  ( x  e.  ~P ( ( LTrn `  K
) `  w )  |->  ( ( ( DIsoA `  K ) `  w
) `  ( (
(  ._|_  `  ( `' ( ( DIsoA `  K
) `  w ) `  |^| { z  e. 
ran  ( ( DIsoA `  K ) `  w
)  |  x  C_  z } ) )  .\/  (  ._|_  `  w )
)  ./\  w )
) ) ) )
76fveq1d 5731 . . 3  |-  ( K  e.  V  ->  (
( ocA `  K
) `  W )  =  ( ( w  e.  H  |->  ( x  e.  ~P ( (
LTrn `  K ) `  w )  |->  ( ( ( DIsoA `  K ) `  w ) `  (
( (  ._|_  `  ( `' ( ( DIsoA `  K ) `  w
) `  |^| { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z } ) )  .\/  (  ._|_  `  w ) )  ./\  w ) ) ) ) `  W ) )
81, 7syl5eq 2481 . 2  |-  ( K  e.  V  ->  N  =  ( ( w  e.  H  |->  ( x  e.  ~P ( (
LTrn `  K ) `  w )  |->  ( ( ( DIsoA `  K ) `  w ) `  (
( (  ._|_  `  ( `' ( ( DIsoA `  K ) `  w
) `  |^| { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z } ) )  .\/  (  ._|_  `  w ) )  ./\  w ) ) ) ) `  W ) )
9 fveq2 5729 . . . . . 6  |-  ( w  =  W  ->  (
( LTrn `  K ) `  w )  =  ( ( LTrn `  K
) `  W )
)
10 docaval.t . . . . . 6  |-  T  =  ( ( LTrn `  K
) `  W )
119, 10syl6eqr 2487 . . . . 5  |-  ( w  =  W  ->  (
( LTrn `  K ) `  w )  =  T )
1211pweqd 3805 . . . 4  |-  ( w  =  W  ->  ~P ( ( LTrn `  K
) `  w )  =  ~P T )
13 fveq2 5729 . . . . . 6  |-  ( w  =  W  ->  (
( DIsoA `  K ) `  w )  =  ( ( DIsoA `  K ) `  W ) )
14 docaval.i . . . . . 6  |-  I  =  ( ( DIsoA `  K
) `  W )
1513, 14syl6eqr 2487 . . . . 5  |-  ( w  =  W  ->  (
( DIsoA `  K ) `  w )  =  I )
1615cnveqd 5049 . . . . . . . . 9  |-  ( w  =  W  ->  `' ( ( DIsoA `  K
) `  w )  =  `' I )
1715rneqd 5098 . . . . . . . . . . 11  |-  ( w  =  W  ->  ran  ( ( DIsoA `  K
) `  w )  =  ran  I )
18 rabeq 2951 . . . . . . . . . . 11  |-  ( ran  ( ( DIsoA `  K
) `  w )  =  ran  I  ->  { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z }  =  { z  e.  ran  I  |  x  C_  z } )
1917, 18syl 16 . . . . . . . . . 10  |-  ( w  =  W  ->  { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z }  =  { z  e.  ran  I  |  x  C_  z } )
2019inteqd 4056 . . . . . . . . 9  |-  ( w  =  W  ->  |^| { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z }  =  |^| { z  e.  ran  I  |  x  C_  z } )
2116, 20fveq12d 5735 . . . . . . . 8  |-  ( w  =  W  ->  ( `' ( ( DIsoA `  K ) `  w
) `  |^| { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z } )  =  ( `' I `  |^| { z  e. 
ran  I  |  x 
C_  z } ) )
2221fveq2d 5733 . . . . . . 7  |-  ( w  =  W  ->  (  ._|_  `  ( `' ( ( DIsoA `  K ) `  w ) `  |^| { z  e.  ran  (
( DIsoA `  K ) `  w )  |  x 
C_  z } ) )  =  (  ._|_  `  ( `' I `  |^| { z  e.  ran  I  |  x  C_  z } ) ) )
23 fveq2 5729 . . . . . . 7  |-  ( w  =  W  ->  (  ._|_  `  w )  =  (  ._|_  `  W ) )
2422, 23oveq12d 6100 . . . . . 6  |-  ( w  =  W  ->  (
(  ._|_  `  ( `' ( ( DIsoA `  K
) `  w ) `  |^| { z  e. 
ran  ( ( DIsoA `  K ) `  w
)  |  x  C_  z } ) )  .\/  (  ._|_  `  w )
)  =  ( ( 
._|_  `  ( `' I `  |^| { z  e. 
ran  I  |  x 
C_  z } ) )  .\/  (  ._|_  `  W ) ) )
25 id 21 . . . . . 6  |-  ( w  =  W  ->  w  =  W )
2624, 25oveq12d 6100 . . . . 5  |-  ( w  =  W  ->  (
( (  ._|_  `  ( `' ( ( DIsoA `  K ) `  w
) `  |^| { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z } ) )  .\/  (  ._|_  `  w ) )  ./\  w )  =  ( ( (  ._|_  `  ( `' I `  |^| { z  e.  ran  I  |  x  C_  z }
) )  .\/  (  ._|_  `  W ) ) 
./\  W ) )
2715, 26fveq12d 5735 . . . 4  |-  ( w  =  W  ->  (
( ( DIsoA `  K
) `  w ) `  ( ( (  ._|_  `  ( `' ( (
DIsoA `  K ) `  w ) `  |^| { z  e.  ran  (
( DIsoA `  K ) `  w )  |  x 
C_  z } ) )  .\/  (  ._|_  `  w ) )  ./\  w ) )  =  ( I `  (
( (  ._|_  `  ( `' I `  |^| { z  e.  ran  I  |  x  C_  z }
) )  .\/  (  ._|_  `  W ) ) 
./\  W ) ) )
2812, 27mpteq12dv 4288 . . 3  |-  ( w  =  W  ->  (
x  e.  ~P (
( LTrn `  K ) `  w )  |->  ( ( ( DIsoA `  K ) `  w ) `  (
( (  ._|_  `  ( `' ( ( DIsoA `  K ) `  w
) `  |^| { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z } ) )  .\/  (  ._|_  `  w ) )  ./\  w ) ) )  =  ( x  e. 
~P T  |->  ( I `
 ( ( ( 
._|_  `  ( `' I `  |^| { z  e. 
ran  I  |  x 
C_  z } ) )  .\/  (  ._|_  `  W ) )  ./\  W ) ) ) )
29 eqid 2437 . . 3  |-  ( w  e.  H  |->  ( x  e.  ~P ( (
LTrn `  K ) `  w )  |->  ( ( ( DIsoA `  K ) `  w ) `  (
( (  ._|_  `  ( `' ( ( DIsoA `  K ) `  w
) `  |^| { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z } ) )  .\/  (  ._|_  `  w ) )  ./\  w ) ) ) )  =  ( w  e.  H  |->  ( x  e.  ~P ( (
LTrn `  K ) `  w )  |->  ( ( ( DIsoA `  K ) `  w ) `  (
( (  ._|_  `  ( `' ( ( DIsoA `  K ) `  w
) `  |^| { z  e.  ran  ( (
DIsoA `  K ) `  w )  |  x 
C_  z } ) )  .\/  (  ._|_  `  w ) )  ./\  w ) ) ) )
30 fvex 5743 . . . . . 6  |-  ( (
LTrn `  K ) `  W )  e.  _V
3110, 30eqeltri 2507 . . . . 5  |-  T  e. 
_V
3231pwex 4383 . . . 4  |-  ~P T  e.  _V
3332mptex 5967 . . 3  |-  ( x  e.  ~P T  |->  ( I `  ( ( (  ._|_  `  ( `' I `  |^| { z  e.  ran  I  |  x  C_  z }
) )  .\/  (  ._|_  `  W ) ) 
./\  W ) ) )  e.  _V
3428, 29, 33fvmpt 5807 . 2  |-  ( W  e.  H  ->  (
( w  e.  H  |->  ( x  e.  ~P ( ( LTrn `  K
) `  w )  |->  ( ( ( DIsoA `  K ) `  w
) `  ( (
(  ._|_  `  ( `' ( ( DIsoA `  K
) `  w ) `  |^| { z  e. 
ran  ( ( DIsoA `  K ) `  w
)  |  x  C_  z } ) )  .\/  (  ._|_  `  w )
)  ./\  w )
) ) ) `  W )  =  ( x  e.  ~P T  |->  ( I `  (
( (  ._|_  `  ( `' I `  |^| { z  e.  ran  I  |  x  C_  z }
) )  .\/  (  ._|_  `  W ) ) 
./\  W ) ) ) )
358, 34sylan9eq 2489 1  |-  ( ( K  e.  V  /\  W  e.  H )  ->  N  =  ( x  e.  ~P T  |->  ( I `  ( ( (  ._|_  `  ( `' I `  |^| { z  e.  ran  I  |  x  C_  z }
) )  .\/  (  ._|_  `  W ) ) 
./\  W ) ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 360    = wceq 1653    e. wcel 1726   {crab 2710   _Vcvv 2957    C_ wss 3321   ~Pcpw 3800   |^|cint 4051    e. cmpt 4267   `'ccnv 4878   ran crn 4880   ` cfv 5455  (class class class)co 6082   occoc 13538   joincjn 14402   meetcmee 14403   LHypclh 30782   LTrncltrn 30899   DIsoAcdia 31827   ocAcocaN 31918
This theorem is referenced by:  docavalN  31922
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1556  ax-5 1567  ax-17 1627  ax-9 1667  ax-8 1688  ax-14 1730  ax-6 1745  ax-7 1750  ax-11 1762  ax-12 1951  ax-ext 2418  ax-rep 4321  ax-sep 4331  ax-nul 4339  ax-pow 4378  ax-pr 4404
This theorem depends on definitions:  df-bi 179  df-or 361  df-an 362  df-3an 939  df-tru 1329  df-ex 1552  df-nf 1555  df-sb 1660  df-eu 2286  df-mo 2287  df-clab 2424  df-cleq 2430  df-clel 2433  df-nfc 2562  df-ne 2602  df-ral 2711  df-rex 2712  df-reu 2713  df-rab 2715  df-v 2959  df-sbc 3163  df-csb 3253  df-dif 3324  df-un 3326  df-in 3328  df-ss 3335  df-nul 3630  df-if 3741  df-pw 3802  df-sn 3821  df-pr 3822  df-op 3824  df-uni 4017  df-int 4052  df-iun 4096  df-br 4214  df-opab 4268  df-mpt 4269  df-id 4499  df-xp 4885  df-rel 4886  df-cnv 4887  df-co 4888  df-dm 4889  df-rn 4890  df-res 4891  df-ima 4892  df-iota 5419  df-fun 5457  df-fn 5458  df-f 5459  df-f1 5460  df-fo 5461  df-f1o 5462  df-fv 5463  df-ov 6085  df-docaN 31919
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