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Theorem dihjatcclem4 36236
Description: Lemma for isomorphism H of lattice join of two atoms not under the fiducial hyperplane. (Contributed by NM, 29-Sep-2014.)
Hypotheses
Ref Expression
dihjatcclem.b  |-  B  =  ( Base `  K
)
dihjatcclem.l  |-  .<_  =  ( le `  K )
dihjatcclem.h  |-  H  =  ( LHyp `  K
)
dihjatcclem.j  |-  .\/  =  ( join `  K )
dihjatcclem.m  |-  ./\  =  ( meet `  K )
dihjatcclem.a  |-  A  =  ( Atoms `  K )
dihjatcclem.u  |-  U  =  ( ( DVecH `  K
) `  W )
dihjatcclem.s  |-  .(+)  =  (
LSSum `  U )
dihjatcclem.i  |-  I  =  ( ( DIsoH `  K
) `  W )
dihjatcclem.v  |-  V  =  ( ( P  .\/  Q )  ./\  W )
dihjatcclem.k  |-  ( ph  ->  ( K  e.  HL  /\  W  e.  H ) )
dihjatcclem.p  |-  ( ph  ->  ( P  e.  A  /\  -.  P  .<_  W ) )
dihjatcclem.q  |-  ( ph  ->  ( Q  e.  A  /\  -.  Q  .<_  W ) )
dihjatcc.w  |-  C  =  ( ( oc `  K ) `  W
)
dihjatcc.t  |-  T  =  ( ( LTrn `  K
) `  W )
dihjatcc.r  |-  R  =  ( ( trL `  K
) `  W )
dihjatcc.e  |-  E  =  ( ( TEndo `  K
) `  W )
dihjatcc.g  |-  G  =  ( iota_ d  e.  T  ( d `  C
)  =  P )
dihjatcc.dd  |-  D  =  ( iota_ d  e.  T  ( d `  C
)  =  Q )
dihjatcc.n  |-  N  =  ( a  e.  E  |->  ( d  e.  T  |->  `' ( a `  d ) ) )
dihjatcc.o  |-  .0.  =  ( d  e.  T  |->  (  _I  |`  B ) )
dihjatcc.d  |-  J  =  ( a  e.  E ,  b  e.  E  |->  ( d  e.  T  |->  ( ( a `  d )  o.  (
b `  d )
) ) )
Assertion
Ref Expression
dihjatcclem4  |-  ( ph  ->  ( I `  V
)  C_  ( (
I `  P )  .(+)  ( I `  Q
) ) )
Distinct variable groups:    .<_ , d    A, d    B, d    C, d   
a, b, E    H, d    P, d    a, d, K, b    Q, d    T, a, b, d    W, a, b, d
Allowed substitution hints:    ph( a, b, d)    A( a, b)    B( a, b)    C( a, b)    D( a, b, d)    P( a, b)    .(+) ( a, b,
d)    Q( a, b)    R( a, b, d)    U( a, b, d)    E( d)    G( a, b, d)    H( a, b)    I( a, b, d)    J( a, b, d)    .\/ ( a, b, d)    .<_ ( a, b)    ./\ ( a, b, d)    N( a, b, d)    V( a, b, d)    .0. ( a,
b, d)

Proof of Theorem dihjatcclem4
Dummy variables  t 
f  s  g  h  u are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 dihjatcclem.k . . 3  |-  ( ph  ->  ( K  e.  HL  /\  W  e.  H ) )
2 dihjatcclem.h . . . 4  |-  H  =  ( LHyp `  K
)
3 dihjatcclem.i . . . 4  |-  I  =  ( ( DIsoH `  K
) `  W )
42, 3dihvalrel 36094 . . 3  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  Rel  ( I `  V ) )
51, 4syl 16 . 2  |-  ( ph  ->  Rel  ( I `  V ) )
61adantr 465 . . . . . . 7  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
( K  e.  HL  /\  W  e.  H ) )
7 dihjatcclem.l . . . . . . . . . . . 12  |-  .<_  =  ( le `  K )
8 dihjatcclem.a . . . . . . . . . . . 12  |-  A  =  ( Atoms `  K )
9 dihjatcc.w . . . . . . . . . . . 12  |-  C  =  ( ( oc `  K ) `  W
)
107, 8, 2, 9lhpocnel2 34833 . . . . . . . . . . 11  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  ( C  e.  A  /\  -.  C  .<_  W ) )
111, 10syl 16 . . . . . . . . . 10  |-  ( ph  ->  ( C  e.  A  /\  -.  C  .<_  W ) )
12 dihjatcclem.p . . . . . . . . . 10  |-  ( ph  ->  ( P  e.  A  /\  -.  P  .<_  W ) )
13 dihjatcc.t . . . . . . . . . . 11  |-  T  =  ( ( LTrn `  K
) `  W )
14 dihjatcc.g . . . . . . . . . . 11  |-  G  =  ( iota_ d  e.  T  ( d `  C
)  =  P )
157, 8, 2, 13, 14ltrniotacl 35393 . . . . . . . . . 10  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( C  e.  A  /\  -.  C  .<_  W )  /\  ( P  e.  A  /\  -.  P  .<_  W ) )  ->  G  e.  T )
161, 11, 12, 15syl3anc 1228 . . . . . . . . 9  |-  ( ph  ->  G  e.  T )
17 dihjatcclem.q . . . . . . . . . . 11  |-  ( ph  ->  ( Q  e.  A  /\  -.  Q  .<_  W ) )
18 dihjatcc.dd . . . . . . . . . . . 12  |-  D  =  ( iota_ d  e.  T  ( d `  C
)  =  Q )
197, 8, 2, 13, 18ltrniotacl 35393 . . . . . . . . . . 11  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( C  e.  A  /\  -.  C  .<_  W )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  ->  D  e.  T )
201, 11, 17, 19syl3anc 1228 . . . . . . . . . 10  |-  ( ph  ->  D  e.  T )
212, 13ltrncnv 34960 . . . . . . . . . 10  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  D  e.  T
)  ->  `' D  e.  T )
221, 20, 21syl2anc 661 . . . . . . . . 9  |-  ( ph  ->  `' D  e.  T
)
232, 13ltrnco 35533 . . . . . . . . 9  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  G  e.  T  /\  `' D  e.  T
)  ->  ( G  o.  `' D )  e.  T
)
241, 16, 22, 23syl3anc 1228 . . . . . . . 8  |-  ( ph  ->  ( G  o.  `' D )  e.  T
)
2524adantr 465 . . . . . . 7  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
( G  o.  `' D )  e.  T
)
26 simprll 761 . . . . . . 7  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
f  e.  T )
27 simprlr 762 . . . . . . . 8  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
( R `  f
)  .<_  V )
28 dihjatcclem.b . . . . . . . . . 10  |-  B  =  ( Base `  K
)
29 dihjatcclem.j . . . . . . . . . 10  |-  .\/  =  ( join `  K )
30 dihjatcclem.m . . . . . . . . . 10  |-  ./\  =  ( meet `  K )
31 dihjatcclem.u . . . . . . . . . 10  |-  U  =  ( ( DVecH `  K
) `  W )
32 dihjatcclem.s . . . . . . . . . 10  |-  .(+)  =  (
LSSum `  U )
33 dihjatcclem.v . . . . . . . . . 10  |-  V  =  ( ( P  .\/  Q )  ./\  W )
34 dihjatcc.r . . . . . . . . . 10  |-  R  =  ( ( trL `  K
) `  W )
35 dihjatcc.e . . . . . . . . . 10  |-  E  =  ( ( TEndo `  K
) `  W )
3628, 7, 2, 29, 30, 8, 31, 32, 3, 33, 1, 12, 17, 9, 13, 34, 35, 14, 18dihjatcclem3 36235 . . . . . . . . 9  |-  ( ph  ->  ( R `  ( G  o.  `' D
) )  =  V )
3736adantr 465 . . . . . . . 8  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
( R `  ( G  o.  `' D
) )  =  V )
3827, 37breqtrrd 4473 . . . . . . 7  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
( R `  f
)  .<_  ( R `  ( G  o.  `' D ) ) )
397, 2, 13, 34, 35tendoex 35789 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( G  o.  `' D )  e.  T  /\  f  e.  T )  /\  ( R `  f )  .<_  ( R `  ( G  o.  `' D
) ) )  ->  E. t  e.  E  ( t `  ( G  o.  `' D
) )  =  f )
406, 25, 26, 38, 39syl121anc 1233 . . . . . 6  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  ->  E. t  e.  E  ( t `  ( G  o.  `' D
) )  =  f )
41 df-rex 2820 . . . . . 6  |-  ( E. t  e.  E  ( t `  ( G  o.  `' D ) )  =  f  <->  E. t
( t  e.  E  /\  ( t `  ( G  o.  `' D
) )  =  f ) )
4240, 41sylib 196 . . . . 5  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  ->  E. t ( t  e.  E  /\  ( t `
 ( G  o.  `' D ) )  =  f ) )
43 eqidd 2468 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( t `  G
)  =  ( t `
 G ) )
44 simprl 755 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
t  e.  E )
451ad2antrr 725 . . . . . . . . . . 11  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( K  e.  HL  /\  W  e.  H ) )
4612ad2antrr 725 . . . . . . . . . . 11  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( P  e.  A  /\  -.  P  .<_  W ) )
47 fvex 5876 . . . . . . . . . . . 12  |-  ( t `
 G )  e. 
_V
48 vex 3116 . . . . . . . . . . . 12  |-  t  e. 
_V
497, 8, 2, 9, 13, 35, 3, 14, 47, 48dihopelvalcqat 36061 . . . . . . . . . . 11  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( P  e.  A  /\  -.  P  .<_  W ) )  -> 
( <. ( t `  G ) ,  t
>.  e.  ( I `  P )  <->  ( (
t `  G )  =  ( t `  G )  /\  t  e.  E ) ) )
5045, 46, 49syl2anc 661 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( <. ( t `  G ) ,  t
>.  e.  ( I `  P )  <->  ( (
t `  G )  =  ( t `  G )  /\  t  e.  E ) ) )
5143, 44, 50mpbir2and 920 . . . . . . . . 9  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  ->  <. ( t `  G
) ,  t >.  e.  ( I `  P
) )
52 eqidd 2468 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( ( N `  t ) `  D
)  =  ( ( N `  t ) `
 D ) )
53 dihjatcc.n . . . . . . . . . . . 12  |-  N  =  ( a  e.  E  |->  ( d  e.  T  |->  `' ( a `  d ) ) )
542, 13, 35, 53tendoicl 35610 . . . . . . . . . . 11  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  t  e.  E
)  ->  ( N `  t )  e.  E
)
5545, 44, 54syl2anc 661 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( N `  t
)  e.  E )
5617ad2antrr 725 . . . . . . . . . . 11  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( Q  e.  A  /\  -.  Q  .<_  W ) )
57 fvex 5876 . . . . . . . . . . . 12  |-  ( ( N `  t ) `
 D )  e. 
_V
58 fvex 5876 . . . . . . . . . . . 12  |-  ( N `
 t )  e. 
_V
597, 8, 2, 9, 13, 35, 3, 18, 57, 58dihopelvalcqat 36061 . . . . . . . . . . 11  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( Q  e.  A  /\  -.  Q  .<_  W ) )  -> 
( <. ( ( N `
 t ) `  D ) ,  ( N `  t )
>.  e.  ( I `  Q )  <->  ( (
( N `  t
) `  D )  =  ( ( N `
 t ) `  D )  /\  ( N `  t )  e.  E ) ) )
6045, 56, 59syl2anc 661 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( <. ( ( N `
 t ) `  D ) ,  ( N `  t )
>.  e.  ( I `  Q )  <->  ( (
( N `  t
) `  D )  =  ( ( N `
 t ) `  D )  /\  ( N `  t )  e.  E ) ) )
6152, 55, 60mpbir2and 920 . . . . . . . . 9  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  ->  <. ( ( N `  t ) `  D
) ,  ( N `
 t ) >.  e.  ( I `  Q
) )
6216ad2antrr 725 . . . . . . . . . . 11  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  ->  G  e.  T )
6322ad2antrr 725 . . . . . . . . . . 11  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  ->  `' D  e.  T
)
642, 13, 35tendospdi1 35835 . . . . . . . . . . 11  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( t  e.  E  /\  G  e.  T  /\  `' D  e.  T ) )  -> 
( t `  ( G  o.  `' D
) )  =  ( ( t `  G
)  o.  ( t `
 `' D ) ) )
6545, 44, 62, 63, 64syl13anc 1230 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( t `  ( G  o.  `' D
) )  =  ( ( t `  G
)  o.  ( t `
 `' D ) ) )
66 simprr 756 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( t `  ( G  o.  `' D
) )  =  f )
6720ad2antrr 725 . . . . . . . . . . . . 13  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  ->  D  e.  T )
6853, 13tendoi2 35609 . . . . . . . . . . . . 13  |-  ( ( t  e.  E  /\  D  e.  T )  ->  ( ( N `  t ) `  D
)  =  `' ( t `  D ) )
6944, 67, 68syl2anc 661 . . . . . . . . . . . 12  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( ( N `  t ) `  D
)  =  `' ( t `  D ) )
702, 13, 35tendocnv 35836 . . . . . . . . . . . . 13  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  t  e.  E  /\  D  e.  T
)  ->  `' (
t `  D )  =  ( t `  `' D ) )
7145, 44, 67, 70syl3anc 1228 . . . . . . . . . . . 12  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  ->  `' ( t `  D )  =  ( t `  `' D
) )
7269, 71eqtr2d 2509 . . . . . . . . . . 11  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( t `  `' D )  =  ( ( N `  t
) `  D )
)
7372coeq2d 5165 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( ( t `  G )  o.  (
t `  `' D
) )  =  ( ( t `  G
)  o.  ( ( N `  t ) `
 D ) ) )
7465, 66, 733eqtr3d 2516 . . . . . . . . 9  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
f  =  ( ( t `  G )  o.  ( ( N `
 t ) `  D ) ) )
75 simplrr 760 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
s  =  .0.  )
76 dihjatcc.d . . . . . . . . . . . 12  |-  J  =  ( a  e.  E ,  b  e.  E  |->  ( d  e.  T  |->  ( ( a `  d )  o.  (
b `  d )
) ) )
77 dihjatcc.o . . . . . . . . . . . 12  |-  .0.  =  ( d  e.  T  |->  (  _I  |`  B ) )
782, 13, 35, 53, 28, 76, 77tendoipl2 35612 . . . . . . . . . . 11  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  t  e.  E
)  ->  ( t J ( N `  t ) )  =  .0.  )
7945, 44, 78syl2anc 661 . . . . . . . . . 10  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
( t J ( N `  t ) )  =  .0.  )
8075, 79eqtr4d 2511 . . . . . . . . 9  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  -> 
s  =  ( t J ( N `  t ) ) )
81 opeq1 4213 . . . . . . . . . . . . . . 15  |-  ( g  =  ( t `  G )  ->  <. g ,  t >.  =  <. ( t `  G ) ,  t >. )
8281eleq1d 2536 . . . . . . . . . . . . . 14  |-  ( g  =  ( t `  G )  ->  ( <. g ,  t >.  e.  ( I `  P
)  <->  <. ( t `  G ) ,  t
>.  e.  ( I `  P ) ) )
8382anbi1d 704 . . . . . . . . . . . . 13  |-  ( g  =  ( t `  G )  ->  (
( <. g ,  t
>.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  <->  ( <. (
t `  G ) ,  t >.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) ) ) )
84 coeq1 5160 . . . . . . . . . . . . . . 15  |-  ( g  =  ( t `  G )  ->  (
g  o.  h )  =  ( ( t `
 G )  o.  h ) )
8584eqeq2d 2481 . . . . . . . . . . . . . 14  |-  ( g  =  ( t `  G )  ->  (
f  =  ( g  o.  h )  <->  f  =  ( ( t `  G )  o.  h
) ) )
8685anbi1d 704 . . . . . . . . . . . . 13  |-  ( g  =  ( t `  G )  ->  (
( f  =  ( g  o.  h )  /\  s  =  ( t J u ) )  <->  ( f  =  ( ( t `  G )  o.  h
)  /\  s  =  ( t J u ) ) ) )
8783, 86anbi12d 710 . . . . . . . . . . . 12  |-  ( g  =  ( t `  G )  ->  (
( ( <. g ,  t >.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) )  <->  ( ( <. ( t `  G
) ,  t >.  e.  ( I `  P
)  /\  <. h ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( ( t `
 G )  o.  h )  /\  s  =  ( t J u ) ) ) ) )
88 opeq1 4213 . . . . . . . . . . . . . . 15  |-  ( h  =  ( ( N `
 t ) `  D )  ->  <. h ,  u >.  =  <. ( ( N `  t
) `  D ) ,  u >. )
8988eleq1d 2536 . . . . . . . . . . . . . 14  |-  ( h  =  ( ( N `
 t ) `  D )  ->  ( <. h ,  u >.  e.  ( I `  Q
)  <->  <. ( ( N `
 t ) `  D ) ,  u >.  e.  ( I `  Q ) ) )
9089anbi2d 703 . . . . . . . . . . . . 13  |-  ( h  =  ( ( N `
 t ) `  D )  ->  (
( <. ( t `  G ) ,  t
>.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  <->  ( <. (
t `  G ) ,  t >.  e.  ( I `  P )  /\  <. ( ( N `
 t ) `  D ) ,  u >.  e.  ( I `  Q ) ) ) )
91 coeq2 5161 . . . . . . . . . . . . . . 15  |-  ( h  =  ( ( N `
 t ) `  D )  ->  (
( t `  G
)  o.  h )  =  ( ( t `
 G )  o.  ( ( N `  t ) `  D
) ) )
9291eqeq2d 2481 . . . . . . . . . . . . . 14  |-  ( h  =  ( ( N `
 t ) `  D )  ->  (
f  =  ( ( t `  G )  o.  h )  <->  f  =  ( ( t `  G )  o.  (
( N `  t
) `  D )
) ) )
9392anbi1d 704 . . . . . . . . . . . . 13  |-  ( h  =  ( ( N `
 t ) `  D )  ->  (
( f  =  ( ( t `  G
)  o.  h )  /\  s  =  ( t J u ) )  <->  ( f  =  ( ( t `  G )  o.  (
( N `  t
) `  D )
)  /\  s  =  ( t J u ) ) ) )
9490, 93anbi12d 710 . . . . . . . . . . . 12  |-  ( h  =  ( ( N `
 t ) `  D )  ->  (
( ( <. (
t `  G ) ,  t >.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  /\  ( f  =  ( ( t `  G
)  o.  h )  /\  s  =  ( t J u ) ) )  <->  ( ( <. ( t `  G
) ,  t >.  e.  ( I `  P
)  /\  <. ( ( N `  t ) `
 D ) ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( ( t `
 G )  o.  ( ( N `  t ) `  D
) )  /\  s  =  ( t J u ) ) ) ) )
95 opeq2 4214 . . . . . . . . . . . . . . 15  |-  ( u  =  ( N `  t )  ->  <. (
( N `  t
) `  D ) ,  u >.  =  <. ( ( N `  t
) `  D ) ,  ( N `  t ) >. )
9695eleq1d 2536 . . . . . . . . . . . . . 14  |-  ( u  =  ( N `  t )  ->  ( <. ( ( N `  t ) `  D
) ,  u >.  e.  ( I `  Q
)  <->  <. ( ( N `
 t ) `  D ) ,  ( N `  t )
>.  e.  ( I `  Q ) ) )
9796anbi2d 703 . . . . . . . . . . . . 13  |-  ( u  =  ( N `  t )  ->  (
( <. ( t `  G ) ,  t
>.  e.  ( I `  P )  /\  <. ( ( N `  t
) `  D ) ,  u >.  e.  (
I `  Q )
)  <->  ( <. (
t `  G ) ,  t >.  e.  ( I `  P )  /\  <. ( ( N `
 t ) `  D ) ,  ( N `  t )
>.  e.  ( I `  Q ) ) ) )
98 oveq2 6292 . . . . . . . . . . . . . . 15  |-  ( u  =  ( N `  t )  ->  (
t J u )  =  ( t J ( N `  t
) ) )
9998eqeq2d 2481 . . . . . . . . . . . . . 14  |-  ( u  =  ( N `  t )  ->  (
s  =  ( t J u )  <->  s  =  ( t J ( N `  t ) ) ) )
10099anbi2d 703 . . . . . . . . . . . . 13  |-  ( u  =  ( N `  t )  ->  (
( f  =  ( ( t `  G
)  o.  ( ( N `  t ) `
 D ) )  /\  s  =  ( t J u ) )  <->  ( f  =  ( ( t `  G )  o.  (
( N `  t
) `  D )
)  /\  s  =  ( t J ( N `  t ) ) ) ) )
10197, 100anbi12d 710 . . . . . . . . . . . 12  |-  ( u  =  ( N `  t )  ->  (
( ( <. (
t `  G ) ,  t >.  e.  ( I `  P )  /\  <. ( ( N `
 t ) `  D ) ,  u >.  e.  ( I `  Q ) )  /\  ( f  =  ( ( t `  G
)  o.  ( ( N `  t ) `
 D ) )  /\  s  =  ( t J u ) ) )  <->  ( ( <. ( t `  G
) ,  t >.  e.  ( I `  P
)  /\  <. ( ( N `  t ) `
 D ) ,  ( N `  t
) >.  e.  ( I `
 Q ) )  /\  ( f  =  ( ( t `  G )  o.  (
( N `  t
) `  D )
)  /\  s  =  ( t J ( N `  t ) ) ) ) ) )
10287, 94, 101syl3an9b 1297 . . . . . . . . . . 11  |-  ( ( g  =  ( t `
 G )  /\  h  =  ( ( N `  t ) `  D )  /\  u  =  ( N `  t ) )  -> 
( ( ( <.
g ,  t >.  e.  ( I `  P
)  /\  <. h ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) )  <-> 
( ( <. (
t `  G ) ,  t >.  e.  ( I `  P )  /\  <. ( ( N `
 t ) `  D ) ,  ( N `  t )
>.  e.  ( I `  Q ) )  /\  ( f  =  ( ( t `  G
)  o.  ( ( N `  t ) `
 D ) )  /\  s  =  ( t J ( N `
 t ) ) ) ) ) )
103102spc3egv 3202 . . . . . . . . . 10  |-  ( ( ( t `  G
)  e.  _V  /\  ( ( N `  t ) `  D
)  e.  _V  /\  ( N `  t )  e.  _V )  -> 
( ( ( <.
( t `  G
) ,  t >.  e.  ( I `  P
)  /\  <. ( ( N `  t ) `
 D ) ,  ( N `  t
) >.  e.  ( I `
 Q ) )  /\  ( f  =  ( ( t `  G )  o.  (
( N `  t
) `  D )
)  /\  s  =  ( t J ( N `  t ) ) ) )  ->  E. g E. h E. u ( ( <.
g ,  t >.  e.  ( I `  P
)  /\  <. h ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) ) )
10447, 57, 58, 103mp3an 1324 . . . . . . . . 9  |-  ( ( ( <. ( t `  G ) ,  t
>.  e.  ( I `  P )  /\  <. ( ( N `  t
) `  D ) ,  ( N `  t ) >.  e.  ( I `  Q ) )  /\  ( f  =  ( ( t `
 G )  o.  ( ( N `  t ) `  D
) )  /\  s  =  ( t J ( N `  t
) ) ) )  ->  E. g E. h E. u ( ( <.
g ,  t >.  e.  ( I `  P
)  /\  <. h ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) )
10551, 61, 74, 80, 104syl22anc 1229 . . . . . . . 8  |-  ( ( ( ph  /\  (
( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
)  /\  ( t  e.  E  /\  (
t `  ( G  o.  `' D ) )  =  f ) )  ->  E. g E. h E. u ( ( <.
g ,  t >.  e.  ( I `  P
)  /\  <. h ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) )
106105ex 434 . . . . . . 7  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
( ( t  e.  E  /\  ( t `
 ( G  o.  `' D ) )  =  f )  ->  E. g E. h E. u ( ( <. g ,  t
>.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) ) )
107106eximdv 1686 . . . . . 6  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
( E. t ( t  e.  E  /\  ( t `  ( G  o.  `' D
) )  =  f )  ->  E. t E. g E. h E. u ( ( <.
g ,  t >.  e.  ( I `  P
)  /\  <. h ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) ) )
108 excom 1798 . . . . . 6  |-  ( E. t E. g E. h E. u ( ( <. g ,  t
>.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) )  <->  E. g E. t E. h E. u ( ( <. g ,  t
>.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) )
109107, 108syl6ib 226 . . . . 5  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  -> 
( E. t ( t  e.  E  /\  ( t `  ( G  o.  `' D
) )  =  f )  ->  E. g E. t E. h E. u ( ( <.
g ,  t >.  e.  ( I `  P
)  /\  <. h ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) ) )
11042, 109mpd 15 . . . 4  |-  ( (
ph  /\  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) )  ->  E. g E. t E. h E. u ( ( <. g ,  t
>.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) )
111110ex 434 . . 3  |-  ( ph  ->  ( ( ( f  e.  T  /\  ( R `  f )  .<_  V )  /\  s  =  .0.  )  ->  E. g E. t E. h E. u ( ( <.
g ,  t >.  e.  ( I `  P
)  /\  <. h ,  u >.  e.  (
I `  Q )
)  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) ) )
1121simpld 459 . . . . . . . . 9  |-  ( ph  ->  K  e.  HL )
113 hllat 34178 . . . . . . . . 9  |-  ( K  e.  HL  ->  K  e.  Lat )
114112, 113syl 16 . . . . . . . 8  |-  ( ph  ->  K  e.  Lat )
11512simpld 459 . . . . . . . . 9  |-  ( ph  ->  P  e.  A )
11617simpld 459 . . . . . . . . 9  |-  ( ph  ->  Q  e.  A )
11728, 29, 8hlatjcl 34181 . . . . . . . . 9  |-  ( ( K  e.  HL  /\  P  e.  A  /\  Q  e.  A )  ->  ( P  .\/  Q
)  e.  B )
118112, 115, 116, 117syl3anc 1228 . . . . . . . 8  |-  ( ph  ->  ( P  .\/  Q
)  e.  B )
1191simprd 463 . . . . . . . . 9  |-  ( ph  ->  W  e.  H )
12028, 2lhpbase 34812 . . . . . . . . 9  |-  ( W  e.  H  ->  W  e.  B )
121119, 120syl 16 . . . . . . . 8  |-  ( ph  ->  W  e.  B )
12228, 30latmcl 15539 . . . . . . . 8  |-  ( ( K  e.  Lat  /\  ( P  .\/  Q )  e.  B  /\  W  e.  B )  ->  (
( P  .\/  Q
)  ./\  W )  e.  B )
123114, 118, 121, 122syl3anc 1228 . . . . . . 7  |-  ( ph  ->  ( ( P  .\/  Q )  ./\  W )  e.  B )
12433, 123syl5eqel 2559 . . . . . 6  |-  ( ph  ->  V  e.  B )
12528, 7, 30latmle2 15564 . . . . . . . 8  |-  ( ( K  e.  Lat  /\  ( P  .\/  Q )  e.  B  /\  W  e.  B )  ->  (
( P  .\/  Q
)  ./\  W )  .<_  W )
126114, 118, 121, 125syl3anc 1228 . . . . . . 7  |-  ( ph  ->  ( ( P  .\/  Q )  ./\  W )  .<_  W )
12733, 126syl5eqbr 4480 . . . . . 6  |-  ( ph  ->  V  .<_  W )
128 eqid 2467 . . . . . . 7  |-  ( (
DIsoB `  K ) `  W )  =  ( ( DIsoB `  K ) `  W )
12928, 7, 2, 3, 128dihvalb 36052 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( V  e.  B  /\  V  .<_  W ) )  ->  (
I `  V )  =  ( ( (
DIsoB `  K ) `  W ) `  V
) )
1301, 124, 127, 129syl12anc 1226 . . . . 5  |-  ( ph  ->  ( I `  V
)  =  ( ( ( DIsoB `  K ) `  W ) `  V
) )
131130eleq2d 2537 . . . 4  |-  ( ph  ->  ( <. f ,  s
>.  e.  ( I `  V )  <->  <. f ,  s >.  e.  (
( ( DIsoB `  K
) `  W ) `  V ) ) )
13228, 7, 2, 13, 34, 77, 128dibopelval3 35963 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( V  e.  B  /\  V  .<_  W ) )  ->  ( <. f ,  s >.  e.  ( ( ( DIsoB `  K ) `  W
) `  V )  <->  ( ( f  e.  T  /\  ( R `  f
)  .<_  V )  /\  s  =  .0.  )
) )
1331, 124, 127, 132syl12anc 1226 . . . 4  |-  ( ph  ->  ( <. f ,  s
>.  e.  ( ( (
DIsoB `  K ) `  W ) `  V
)  <->  ( ( f  e.  T  /\  ( R `  f )  .<_  V )  /\  s  =  .0.  ) ) )
134131, 133bitrd 253 . . 3  |-  ( ph  ->  ( <. f ,  s
>.  e.  ( I `  V )  <->  ( (
f  e.  T  /\  ( R `  f ) 
.<_  V )  /\  s  =  .0.  ) ) )
135 eqid 2467 . . . 4  |-  ( LSubSp `  U )  =  (
LSubSp `  U )
13628, 8atbase 34104 . . . . 5  |-  ( P  e.  A  ->  P  e.  B )
137115, 136syl 16 . . . 4  |-  ( ph  ->  P  e.  B )
13828, 8atbase 34104 . . . . 5  |-  ( Q  e.  A  ->  Q  e.  B )
139116, 138syl 16 . . . 4  |-  ( ph  ->  Q  e.  B )
14028, 2, 13, 35, 76, 31, 135, 32, 3, 1, 137, 139dihopellsm 36070 . . 3  |-  ( ph  ->  ( <. f ,  s
>.  e.  ( ( I `
 P )  .(+)  ( I `  Q ) )  <->  E. g E. t E. h E. u ( ( <. g ,  t
>.  e.  ( I `  P )  /\  <. h ,  u >.  e.  ( I `  Q ) )  /\  ( f  =  ( g  o.  h )  /\  s  =  ( t J u ) ) ) ) )
141111, 134, 1403imtr4d 268 . 2  |-  ( ph  ->  ( <. f ,  s
>.  e.  ( I `  V )  ->  <. f ,  s >.  e.  ( ( I `  P
)  .(+)  ( I `  Q ) ) ) )
1425, 141relssdv 5095 1  |-  ( ph  ->  ( I `  V
)  C_  ( (
I `  P )  .(+)  ( I `  Q
) ) )
Colors of variables: wff setvar class
Syntax hints:   -. wn 3    -> wi 4    <-> wb 184    /\ wa 369    = wceq 1379   E.wex 1596    e. wcel 1767   E.wrex 2815   _Vcvv 3113    C_ wss 3476   <.cop 4033   class class class wbr 4447    |-> cmpt 4505    _I cid 4790   `'ccnv 4998    |` cres 5001    o. ccom 5003   Rel wrel 5004   ` cfv 5588   iota_crio 6244  (class class class)co 6284    |-> cmpt2 6286   Basecbs 14490   lecple 14562   occoc 14563   joincjn 15431   meetcmee 15432   Latclat 15532   LSSumclsm 16460   LSubSpclss 17378   Atomscatm 34078   HLchlt 34165   LHypclh 34798   LTrncltrn 34915   trLctrl 34972   TEndoctendo 35566   DVecHcdvh 35893   DIsoBcdib 35953   DIsoHcdih 36043
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 6576  ax-cnex 9548  ax-resscn 9549  ax-1cn 9550  ax-icn 9551  ax-addcl 9552  ax-addrcl 9553  ax-mulcl 9554  ax-mulrcl 9555  ax-mulcom 9556  ax-addass 9557  ax-mulass 9558  ax-distr 9559  ax-i2m1 9560  ax-1ne0 9561  ax-1rid 9562  ax-rnegex 9563  ax-rrecex 9564  ax-cnre 9565  ax-pre-lttri 9566  ax-pre-lttrn 9567  ax-pre-ltadd 9568  ax-pre-mulgt0 9569  ax-riotaBAD 33774
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 5551  df-fun 5590  df-fn 5591  df-f 5592  df-f1 5593  df-fo 5594  df-f1o 5595  df-fv 5596  df-riota 6245  df-ov 6287  df-oprab 6288  df-mpt2 6289  df-om 6685  df-1st 6784  df-2nd 6785  df-tpos 6955  df-undef 7002  df-recs 7042  df-rdg 7076  df-1o 7130  df-oadd 7134  df-er 7311  df-map 7422  df-en 7517  df-dom 7518  df-sdom 7519  df-fin 7520  df-pnf 9630  df-mnf 9631  df-xr 9632  df-ltxr 9633  df-le 9634  df-sub 9807  df-neg 9808  df-nn 10537  df-2 10594  df-3 10595  df-4 10596  df-5 10597  df-6 10598  df-n0 10796  df-z 10865  df-uz 11083  df-fz 11673  df-struct 14492  df-ndx 14493  df-slot 14494  df-base 14495  df-sets 14496  df-ress 14497  df-plusg 14568  df-mulr 14569  df-sca 14571  df-vsca 14572  df-0g 14697  df-poset 15433  df-plt 15445  df-lub 15461  df-glb 15462  df-join 15463  df-meet 15464  df-p0 15526  df-p1 15527  df-lat 15533  df-clat 15595  df-mnd 15732  df-submnd 15787  df-grp 15867  df-minusg 15868  df-sbg 15869  df-subg 16003  df-cntz 16160  df-lsm 16462  df-cmn 16606  df-abl 16607  df-mgp 16944  df-ur 16956  df-rng 17002  df-oppr 17073  df-dvdsr 17091  df-unit 17092  df-invr 17122  df-dvr 17133  df-drng 17198  df-lmod 17314  df-lss 17379  df-lsp 17418  df-lvec 17549  df-oposet 33991  df-ol 33993  df-oml 33994  df-covers 34081  df-ats 34082  df-atl 34113  df-cvlat 34137  df-hlat 34166  df-llines 34312  df-lplanes 34313  df-lvols 34314  df-lines 34315  df-psubsp 34317  df-pmap 34318  df-padd 34610  df-lhyp 34802  df-laut 34803  df-ldil 34918  df-ltrn 34919  df-trl 34973  df-tendo 35569  df-edring 35571  df-disoa 35844  df-dvech 35894  df-dib 35954  df-dic 35988  df-dih 36044
This theorem is referenced by:  dihjatcc  36237
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