Users' Mathboxes Mathbox for Norm Megill < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  dihjat1lem Structured version   Visualization version   Unicode version

Theorem dihjat1lem 36717
Description: Subspace sum of a closed subspace and an atom. (pmapjat1 35139 analog.) TODO: merge into dihjat1 36718? (Contributed by NM, 18-Aug-2014.)
Hypotheses
Ref Expression
dihjat1.h  |-  H  =  ( LHyp `  K
)
dihjat1.u  |-  U  =  ( ( DVecH `  K
) `  W )
dihjat1.v  |-  V  =  ( Base `  U
)
dihjat1.p  |-  .(+)  =  (
LSSum `  U )
dihjat1.n  |-  N  =  ( LSpan `  U )
dihjat1.i  |-  I  =  ( ( DIsoH `  K
) `  W )
dihjat1.j  |-  .\/  =  ( (joinH `  K ) `  W )
dihjat1.k  |-  ( ph  ->  ( K  e.  HL  /\  W  e.  H ) )
dihjat1.x  |-  ( ph  ->  X  e.  ran  I
)
dihjat1.o  |-  .0.  =  ( 0g `  U )
dihjat1lem.q  |-  ( ph  ->  T  e.  ( V 
\  {  .0.  }
) )
Assertion
Ref Expression
dihjat1lem  |-  ( ph  ->  ( X  .\/  ( N `  { T } ) )  =  ( X  .(+)  ( N `
 { T }
) ) )

Proof of Theorem dihjat1lem
Dummy variables  y  x  z are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simpr 477 . . . 4  |-  ( (
ph  /\  X  =  {  .0.  } )  ->  X  =  {  .0.  } )
21oveq1d 6665 . . 3  |-  ( (
ph  /\  X  =  {  .0.  } )  -> 
( X  .\/  ( N `  { T } ) )  =  ( {  .0.  }  .\/  ( N `  { T } ) ) )
31oveq1d 6665 . . . 4  |-  ( (
ph  /\  X  =  {  .0.  } )  -> 
( X  .(+)  ( N `
 { T }
) )  =  ( {  .0.  }  .(+)  ( N `  { T } ) ) )
4 dihjat1.h . . . . . . 7  |-  H  =  ( LHyp `  K
)
5 dihjat1.u . . . . . . 7  |-  U  =  ( ( DVecH `  K
) `  W )
6 dihjat1.o . . . . . . 7  |-  .0.  =  ( 0g `  U )
7 dihjat1.i . . . . . . 7  |-  I  =  ( ( DIsoH `  K
) `  W )
8 dihjat1.j . . . . . . 7  |-  .\/  =  ( (joinH `  K ) `  W )
9 dihjat1.k . . . . . . 7  |-  ( ph  ->  ( K  e.  HL  /\  W  e.  H ) )
10 dihjat1lem.q . . . . . . . . 9  |-  ( ph  ->  T  e.  ( V 
\  {  .0.  }
) )
11 eldifi 3732 . . . . . . . . 9  |-  ( T  e.  ( V  \  {  .0.  } )  ->  T  e.  V )
1210, 11syl 17 . . . . . . . 8  |-  ( ph  ->  T  e.  V )
13 dihjat1.v . . . . . . . . 9  |-  V  =  ( Base `  U
)
14 dihjat1.n . . . . . . . . 9  |-  N  =  ( LSpan `  U )
154, 5, 13, 14, 7dihlsprn 36620 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  T  e.  V
)  ->  ( N `  { T } )  e.  ran  I )
169, 12, 15syl2anc 693 . . . . . . 7  |-  ( ph  ->  ( N `  { T } )  e.  ran  I )
174, 5, 6, 7, 8, 9, 16djh02 36702 . . . . . 6  |-  ( ph  ->  ( {  .0.  }  .\/  ( N `  { T } ) )  =  ( N `  { T } ) )
184, 5, 9dvhlmod 36399 . . . . . . . 8  |-  ( ph  ->  U  e.  LMod )
19 eqid 2622 . . . . . . . . . 10  |-  ( LSubSp `  U )  =  (
LSubSp `  U )
2013, 19, 14lspsncl 18977 . . . . . . . . 9  |-  ( ( U  e.  LMod  /\  T  e.  V )  ->  ( N `  { T } )  e.  (
LSubSp `  U ) )
2118, 12, 20syl2anc 693 . . . . . . . 8  |-  ( ph  ->  ( N `  { T } )  e.  (
LSubSp `  U ) )
2219lsssubg 18957 . . . . . . . 8  |-  ( ( U  e.  LMod  /\  ( N `  { T } )  e.  (
LSubSp `  U ) )  ->  ( N `  { T } )  e.  (SubGrp `  U )
)
2318, 21, 22syl2anc 693 . . . . . . 7  |-  ( ph  ->  ( N `  { T } )  e.  (SubGrp `  U ) )
24 dihjat1.p . . . . . . . 8  |-  .(+)  =  (
LSSum `  U )
256, 24lsm02 18085 . . . . . . 7  |-  ( ( N `  { T } )  e.  (SubGrp `  U )  ->  ( {  .0.  }  .(+)  ( N `
 { T }
) )  =  ( N `  { T } ) )
2623, 25syl 17 . . . . . 6  |-  ( ph  ->  ( {  .0.  }  .(+)  ( N `  { T } ) )  =  ( N `  { T } ) )
2717, 26eqtr4d 2659 . . . . 5  |-  ( ph  ->  ( {  .0.  }  .\/  ( N `  { T } ) )  =  ( {  .0.  }  .(+)  ( N `  { T } ) ) )
2827adantr 481 . . . 4  |-  ( (
ph  /\  X  =  {  .0.  } )  -> 
( {  .0.  }  .\/  ( N `  { T } ) )  =  ( {  .0.  }  .(+)  ( N `  { T } ) ) )
293, 28eqtr4d 2659 . . 3  |-  ( (
ph  /\  X  =  {  .0.  } )  -> 
( X  .(+)  ( N `
 { T }
) )  =  ( {  .0.  }  .\/  ( N `  { T } ) ) )
302, 29eqtr4d 2659 . 2  |-  ( (
ph  /\  X  =  {  .0.  } )  -> 
( X  .\/  ( N `  { T } ) )  =  ( X  .(+)  ( N `
 { T }
) ) )
3118adantr 481 . . . 4  |-  ( (
ph  /\  X  =/=  {  .0.  } )  ->  U  e.  LMod )
32 dihjat1.x . . . . . . . 8  |-  ( ph  ->  X  e.  ran  I
)
334, 5, 7, 13dihrnss 36567 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  X  e.  ran  I )  ->  X  C_  V )
349, 32, 33syl2anc 693 . . . . . . 7  |-  ( ph  ->  X  C_  V )
3513, 19lssss 18937 . . . . . . . 8  |-  ( ( N `  { T } )  e.  (
LSubSp `  U )  -> 
( N `  { T } )  C_  V
)
3621, 35syl 17 . . . . . . 7  |-  ( ph  ->  ( N `  { T } )  C_  V
)
374, 7, 5, 13, 8djhcl 36689 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  C_  V  /\  ( N `  { T } )  C_  V ) )  -> 
( X  .\/  ( N `  { T } ) )  e. 
ran  I )
389, 34, 36, 37syl12anc 1324 . . . . . 6  |-  ( ph  ->  ( X  .\/  ( N `  { T } ) )  e. 
ran  I )
394, 5, 7, 13dihrnss 36567 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  .\/  ( N `  { T } ) )  e. 
ran  I )  -> 
( X  .\/  ( N `  { T } ) )  C_  V )
409, 38, 39syl2anc 693 . . . . 5  |-  ( ph  ->  ( X  .\/  ( N `  { T } ) )  C_  V )
4140adantr 481 . . . 4  |-  ( (
ph  /\  X  =/=  {  .0.  } )  -> 
( X  .\/  ( N `  { T } ) )  C_  V )
424, 5, 7, 19dihrnlss 36566 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  X  e.  ran  I )  ->  X  e.  ( LSubSp `  U )
)
439, 32, 42syl2anc 693 . . . . . 6  |-  ( ph  ->  X  e.  ( LSubSp `  U ) )
4419, 24lsmcl 19083 . . . . . 6  |-  ( ( U  e.  LMod  /\  X  e.  ( LSubSp `  U )  /\  ( N `  { T } )  e.  (
LSubSp `  U ) )  ->  ( X  .(+)  ( N `  { T } ) )  e.  ( LSubSp `  U )
)
4518, 43, 21, 44syl3anc 1326 . . . . 5  |-  ( ph  ->  ( X  .(+)  ( N `
 { T }
) )  e.  (
LSubSp `  U ) )
4645adantr 481 . . . 4  |-  ( (
ph  /\  X  =/=  {  .0.  } )  -> 
( X  .(+)  ( N `
 { T }
) )  e.  (
LSubSp `  U ) )
47 simplr 792 . . . . . . . 8  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  X  =/=  {  .0.  } )
489ad2antrr 762 . . . . . . . . 9  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  ( K  e.  HL  /\  W  e.  H ) )
4932ad2antrr 762 . . . . . . . . 9  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  X  e.  ran  I )
50 simpr 477 . . . . . . . . 9  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  x  e.  ( V  \  {  .0.  } ) )
5110ad2antrr 762 . . . . . . . . 9  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  T  e.  ( V  \  {  .0.  } ) )
524, 5, 13, 6, 14, 7, 8, 48, 49, 50, 51djhcvat42 36704 . . . . . . . 8  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  (
( X  =/=  {  .0.  }  /\  ( N `
 { x }
)  C_  ( X  .\/  ( N `  { T } ) ) )  ->  E. y  e.  ( V  \  {  .0.  } ) ( ( N `
 { y } )  C_  X  /\  ( N `  { x } )  C_  (
( N `  {
y } )  .\/  ( N `  { T } ) ) ) ) )
5347, 52mpand 711 . . . . . . 7  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  (
( N `  {
x } )  C_  ( X  .\/  ( N `
 { T }
) )  ->  E. y  e.  ( V  \  {  .0.  } ) ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )
54 simprrl 804 . . . . . . . . . . 11  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  -> 
( N `  {
y } )  C_  X )
5518ad3antrrr 766 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  ->  U  e.  LMod )
5643ad3antrrr 766 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  ->  X  e.  ( LSubSp `  U ) )
57 eldifi 3732 . . . . . . . . . . . . 13  |-  ( y  e.  ( V  \  {  .0.  } )  -> 
y  e.  V )
5857ad2antrl 764 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  -> 
y  e.  V )
5913, 19, 14, 55, 56, 58lspsnel5 18995 . . . . . . . . . . 11  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  -> 
( y  e.  X  <->  ( N `  { y } )  C_  X
) )
6054, 59mpbird 247 . . . . . . . . . 10  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  -> 
y  e.  X )
6112ad3antrrr 766 . . . . . . . . . . . 12  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  ->  T  e.  V )
6213, 14lspsnid 18993 . . . . . . . . . . . 12  |-  ( ( U  e.  LMod  /\  T  e.  V )  ->  T  e.  ( N `  { T } ) )
6355, 61, 62syl2anc 693 . . . . . . . . . . 11  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  ->  T  e.  ( N `  { T } ) )
64 simprrr 805 . . . . . . . . . . 11  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  -> 
( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) )
65 sneq 4187 . . . . . . . . . . . . . . 15  |-  ( z  =  T  ->  { z }  =  { T } )
6665fveq2d 6195 . . . . . . . . . . . . . 14  |-  ( z  =  T  ->  ( N `  { z } )  =  ( N `  { T } ) )
6766oveq2d 6666 . . . . . . . . . . . . 13  |-  ( z  =  T  ->  (
( N `  {
y } )  .\/  ( N `  { z } ) )  =  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) )
6867sseq2d 3633 . . . . . . . . . . . 12  |-  ( z  =  T  ->  (
( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { z } ) )  <->  ( N `  { x } ) 
C_  ( ( N `
 { y } )  .\/  ( N `
 { T }
) ) ) )
6968rspcev 3309 . . . . . . . . . . 11  |-  ( ( T  e.  ( N `
 { T }
)  /\  ( N `  { x } ) 
C_  ( ( N `
 { y } )  .\/  ( N `
 { T }
) ) )  ->  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) )
7063, 64, 69syl2anc 693 . . . . . . . . . 10  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  ->  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) )
7160, 70jca 554 . . . . . . . . 9  |-  ( ( ( ( ph  /\  X  =/=  {  .0.  }
)  /\  x  e.  ( V  \  {  .0.  } ) )  /\  (
y  e.  ( V 
\  {  .0.  }
)  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) ) )  -> 
( y  e.  X  /\  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) )
7271ex 450 . . . . . . . 8  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  (
( y  e.  ( V  \  {  .0.  } )  /\  ( ( N `  { y } )  C_  X  /\  ( N `  {
x } )  C_  ( ( N `  { y } ) 
.\/  ( N `  { T } ) ) ) )  ->  (
y  e.  X  /\  E. z  e.  ( N `
 { T }
) ( N `  { x } ) 
C_  ( ( N `
 { y } )  .\/  ( N `
 { z } ) ) ) ) )
7372reximdv2 3014 . . . . . . 7  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  ( E. y  e.  ( V  \  {  .0.  }
) ( ( N `
 { y } )  C_  X  /\  ( N `  { x } )  C_  (
( N `  {
y } )  .\/  ( N `  { T } ) ) )  ->  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) )
7453, 73syld 47 . . . . . 6  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  (
( N `  {
x } )  C_  ( X  .\/  ( N `
 { T }
) )  ->  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) )
7574anim2d 589 . . . . 5  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  (
( x  e.  V  /\  ( N `  {
x } )  C_  ( X  .\/  ( N `
 { T }
) ) )  -> 
( x  e.  V  /\  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) ) )
764, 5, 7, 19dihrnlss 36566 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( X  .\/  ( N `  { T } ) )  e. 
ran  I )  -> 
( X  .\/  ( N `  { T } ) )  e.  ( LSubSp `  U )
)
779, 38, 76syl2anc 693 . . . . . . 7  |-  ( ph  ->  ( X  .\/  ( N `  { T } ) )  e.  ( LSubSp `  U )
)
7813, 19, 14, 18, 77lspsnel6 18994 . . . . . 6  |-  ( ph  ->  ( x  e.  ( X  .\/  ( N `
 { T }
) )  <->  ( x  e.  V  /\  ( N `  { x } )  C_  ( X  .\/  ( N `  { T } ) ) ) ) )
7978ad2antrr 762 . . . . 5  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  (
x  e.  ( X 
.\/  ( N `  { T } ) )  <-> 
( x  e.  V  /\  ( N `  {
x } )  C_  ( X  .\/  ( N `
 { T }
) ) ) ) )
8013, 19, 24, 14, 18, 43, 21lsmelval2 19085 . . . . . . 7  |-  ( ph  ->  ( x  e.  ( X  .(+)  ( N `  { T } ) )  <->  ( x  e.  V  /\  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .(+)  ( N `
 { z } ) ) ) ) )
819ad2antrr 762 . . . . . . . . . . . 12  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  -> 
( K  e.  HL  /\  W  e.  H ) )
8243ad2antrr 762 . . . . . . . . . . . . 13  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  ->  X  e.  ( LSubSp `  U ) )
83 simplr 792 . . . . . . . . . . . . 13  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  -> 
y  e.  X )
8413, 19lssel 18938 . . . . . . . . . . . . 13  |-  ( ( X  e.  ( LSubSp `  U )  /\  y  e.  X )  ->  y  e.  V )
8582, 83, 84syl2anc 693 . . . . . . . . . . . 12  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  -> 
y  e.  V )
8621ad2antrr 762 . . . . . . . . . . . . 13  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  -> 
( N `  { T } )  e.  (
LSubSp `  U ) )
87 simpr 477 . . . . . . . . . . . . 13  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  -> 
z  e.  ( N `
 { T }
) )
8813, 19lssel 18938 . . . . . . . . . . . . 13  |-  ( ( ( N `  { T } )  e.  (
LSubSp `  U )  /\  z  e.  ( N `  { T } ) )  ->  z  e.  V )
8986, 87, 88syl2anc 693 . . . . . . . . . . . 12  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  -> 
z  e.  V )
904, 5, 13, 24, 14, 7, 8, 81, 85, 89djhlsmat 36716 . . . . . . . . . . 11  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  -> 
( ( N `  { y } ) 
.(+)  ( N `  { z } ) )  =  ( ( N `  { y } )  .\/  ( N `  { z } ) ) )
9190sseq2d 3633 . . . . . . . . . 10  |-  ( ( ( ph  /\  y  e.  X )  /\  z  e.  ( N `  { T } ) )  -> 
( ( N `  { x } ) 
C_  ( ( N `
 { y } )  .(+)  ( N `  { z } ) )  <->  ( N `  { x } ) 
C_  ( ( N `
 { y } )  .\/  ( N `
 { z } ) ) ) )
9291rexbidva 3049 . . . . . . . . 9  |-  ( (
ph  /\  y  e.  X )  ->  ( E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .(+)  ( N `
 { z } ) )  <->  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) )
9392rexbidva 3049 . . . . . . . 8  |-  ( ph  ->  ( E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .(+)  ( N `
 { z } ) )  <->  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) )
9493anbi2d 740 . . . . . . 7  |-  ( ph  ->  ( ( x  e.  V  /\  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .(+)  ( N `
 { z } ) ) )  <->  ( x  e.  V  /\  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) ) )
9580, 94bitrd 268 . . . . . 6  |-  ( ph  ->  ( x  e.  ( X  .(+)  ( N `  { T } ) )  <->  ( x  e.  V  /\  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) ) )
9695ad2antrr 762 . . . . 5  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  (
x  e.  ( X 
.(+)  ( N `  { T } ) )  <-> 
( x  e.  V  /\  E. y  e.  X  E. z  e.  ( N `  { T } ) ( N `
 { x }
)  C_  ( ( N `  { y } )  .\/  ( N `  { z } ) ) ) ) )
9775, 79, 963imtr4d 283 . . . 4  |-  ( ( ( ph  /\  X  =/=  {  .0.  } )  /\  x  e.  ( V  \  {  .0.  } ) )  ->  (
x  e.  ( X 
.\/  ( N `  { T } ) )  ->  x  e.  ( X  .(+)  ( N `  { T } ) ) ) )
9813, 6, 19, 31, 41, 46, 97lssssr 18953 . . 3  |-  ( (
ph  /\  X  =/=  {  .0.  } )  -> 
( X  .\/  ( N `  { T } ) )  C_  ( X  .(+)  ( N `
 { T }
) ) )
994, 5, 13, 24, 8, 9, 34, 36djhsumss 36696 . . . 4  |-  ( ph  ->  ( X  .(+)  ( N `
 { T }
) )  C_  ( X  .\/  ( N `  { T } ) ) )
10099adantr 481 . . 3  |-  ( (
ph  /\  X  =/=  {  .0.  } )  -> 
( X  .(+)  ( N `
 { T }
) )  C_  ( X  .\/  ( N `  { T } ) ) )
10198, 100eqssd 3620 . 2  |-  ( (
ph  /\  X  =/=  {  .0.  } )  -> 
( X  .\/  ( N `  { T } ) )  =  ( X  .(+)  ( N `
 { T }
) ) )
10230, 101pm2.61dane 2881 1  |-  ( ph  ->  ( X  .\/  ( N `  { T } ) )  =  ( X  .(+)  ( N `
 { T }
) ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    <-> wb 196    /\ wa 384    = wceq 1483    e. wcel 1990    =/= wne 2794   E.wrex 2913    \ cdif 3571    C_ wss 3574   {csn 4177   ran crn 5115   ` cfv 5888  (class class class)co 6650   Basecbs 15857   0gc0g 16100  SubGrpcsubg 17588   LSSumclsm 18049   LModclmod 18863   LSubSpclss 18932   LSpanclspn 18971   HLchlt 34637   LHypclh 35270   DVecHcdvh 36367   DIsoHcdih 36517  joinHcdjh 36683
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013  ax-riotaBAD 34239
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-fal 1489  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-int 4476  df-iun 4522  df-iin 4523  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-tpos 7352  df-undef 7399  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-1o 7560  df-oadd 7564  df-er 7742  df-map 7859  df-en 7956  df-dom 7957  df-sdom 7958  df-fin 7959  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-2 11079  df-3 11080  df-4 11081  df-5 11082  df-6 11083  df-n0 11293  df-z 11378  df-uz 11688  df-fz 12327  df-struct 15859  df-ndx 15860  df-slot 15861  df-base 15863  df-sets 15864  df-ress 15865  df-plusg 15954  df-mulr 15955  df-sca 15957  df-vsca 15958  df-0g 16102  df-preset 16928  df-poset 16946  df-plt 16958  df-lub 16974  df-glb 16975  df-join 16976  df-meet 16977  df-p0 17039  df-p1 17040  df-lat 17046  df-clat 17108  df-mgm 17242  df-sgrp 17284  df-mnd 17295  df-submnd 17336  df-grp 17425  df-minusg 17426  df-sbg 17427  df-subg 17591  df-cntz 17750  df-lsm 18051  df-cmn 18195  df-abl 18196  df-mgp 18490  df-ur 18502  df-ring 18549  df-oppr 18623  df-dvdsr 18641  df-unit 18642  df-invr 18672  df-dvr 18683  df-drng 18749  df-lmod 18865  df-lss 18933  df-lsp 18972  df-lvec 19103  df-lsatoms 34263  df-oposet 34463  df-ol 34465  df-oml 34466  df-covers 34553  df-ats 34554  df-atl 34585  df-cvlat 34609  df-hlat 34638  df-llines 34784  df-lplanes 34785  df-lvols 34786  df-lines 34787  df-psubsp 34789  df-pmap 34790  df-padd 35082  df-lhyp 35274  df-laut 35275  df-ldil 35390  df-ltrn 35391  df-trl 35446  df-tgrp 36031  df-tendo 36043  df-edring 36045  df-dveca 36291  df-disoa 36318  df-dvech 36368  df-dib 36428  df-dic 36462  df-dih 36518  df-doch 36637  df-djh 36684
This theorem is referenced by:  dihjat1  36718
  Copyright terms: Public domain W3C validator