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Theorem dib1dim 31424
Description: Two expressions for the 1-dimensional subspaces of vector space H. (Contributed by NM, 24-Feb-2014.) (Revised by Mario Carneiro, 24-Jun-2014.)
Hypotheses
Ref Expression
dib1dim.b  |-  B  =  ( Base `  K
)
dib1dim.h  |-  H  =  ( LHyp `  K
)
dib1dim.t  |-  T  =  ( ( LTrn `  K
) `  W )
dib1dim.r  |-  R  =  ( ( trL `  K
) `  W )
dib1dim.e  |-  E  =  ( ( TEndo `  K
) `  W )
dib1dim.o  |-  O  =  ( h  e.  T  |->  (  _I  |`  B ) )
dib1dim.i  |-  I  =  ( ( DIsoB `  K
) `  W )
Assertion
Ref Expression
dib1dim  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( I `  ( R `  F
) )  =  {
g  e.  ( T  X.  E )  |  E. s  e.  E  g  =  <. ( s `
 F ) ,  O >. } )
Distinct variable groups:    B, h    g, s, E    g, F, s    H, s    h, s, K    g, O, s    R, s    g, h, T, s    h, W, s
Allowed substitution hints:    B( g, s)    R( g, h)    E( h)    F( h)    H( g, h)    I(
g, h, s)    K( g)    O( h)    W( g)

Proof of Theorem dib1dim
Dummy variables  f 
t are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simpl 443 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( K  e.  HL  /\  W  e.  H ) )
2 dib1dim.b . . . . 5  |-  B  =  ( Base `  K
)
3 dib1dim.h . . . . 5  |-  H  =  ( LHyp `  K
)
4 dib1dim.t . . . . 5  |-  T  =  ( ( LTrn `  K
) `  W )
5 dib1dim.r . . . . 5  |-  R  =  ( ( trL `  K
) `  W )
62, 3, 4, 5trlcl 30422 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( R `  F )  e.  B
)
7 eqid 2358 . . . . 5  |-  ( le
`  K )  =  ( le `  K
)
87, 3, 4, 5trlle 30442 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( R `  F ) ( le
`  K ) W )
9 dib1dim.o . . . . 5  |-  O  =  ( h  e.  T  |->  (  _I  |`  B ) )
10 eqid 2358 . . . . 5  |-  ( (
DIsoA `  K ) `  W )  =  ( ( DIsoA `  K ) `  W )
11 dib1dim.i . . . . 5  |-  I  =  ( ( DIsoB `  K
) `  W )
122, 7, 3, 4, 9, 10, 11dibval2 31403 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  ( ( R `
 F )  e.  B  /\  ( R `
 F ) ( le `  K ) W ) )  -> 
( I `  ( R `  F )
)  =  ( ( ( ( DIsoA `  K
) `  W ) `  ( R `  F
) )  X.  { O } ) )
131, 6, 8, 12syl12anc 1180 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( I `  ( R `  F
) )  =  ( ( ( ( DIsoA `  K ) `  W
) `  ( R `  F ) )  X. 
{ O } ) )
14 relxp 4876 . . . 4  |-  Rel  (
( ( ( DIsoA `  K ) `  W
) `  ( R `  F ) )  X. 
{ O } )
15 opelxp 4801 . . . . 5  |-  ( <.
f ,  t >.  e.  ( ( ( (
DIsoA `  K ) `  W ) `  ( R `  F )
)  X.  { O } )  <->  ( f  e.  ( ( ( DIsoA `  K ) `  W
) `  ( R `  F ) )  /\  t  e.  { O } ) )
16 dib1dim.e . . . . . . . . 9  |-  E  =  ( ( TEndo `  K
) `  W )
173, 4, 5, 16, 10dia1dim 31320 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( (
( DIsoA `  K ) `  W ) `  ( R `  F )
)  =  { f  |  E. s  e.  E  f  =  ( s `  F ) } )
1817abeq2d 2467 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( f  e.  ( ( ( DIsoA `  K ) `  W
) `  ( R `  F ) )  <->  E. s  e.  E  f  =  ( s `  F
) ) )
1918anbi1d 685 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( (
f  e.  ( ( ( DIsoA `  K ) `  W ) `  ( R `  F )
)  /\  t  e.  { O } )  <->  ( E. s  e.  E  f  =  ( s `  F )  /\  t  e.  { O } ) ) )
203, 4, 16tendocl 31025 . . . . . . . . . . . . 13  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  E  /\  F  e.  T
)  ->  ( s `  F )  e.  T
)
21203expa 1151 . . . . . . . . . . . 12  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  s  e.  E )  /\  F  e.  T )  ->  (
s `  F )  e.  T )
2221an32s 779 . . . . . . . . . . 11  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T )  /\  s  e.  E )  ->  (
s `  F )  e.  T )
232, 3, 4, 16, 9tendo0cl 31048 . . . . . . . . . . . 12  |-  ( ( K  e.  HL  /\  W  e.  H )  ->  O  e.  E )
2423ad2antrr 706 . . . . . . . . . . 11  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T )  /\  s  e.  E )  ->  O  e.  E )
2522, 24jca 518 . . . . . . . . . 10  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T )  /\  s  e.  E )  ->  (
( s `  F
)  e.  T  /\  O  e.  E )
)
26 eleq1 2418 . . . . . . . . . . 11  |-  ( f  =  ( s `  F )  ->  (
f  e.  T  <->  ( s `  F )  e.  T
) )
27 eleq1 2418 . . . . . . . . . . 11  |-  ( t  =  O  ->  (
t  e.  E  <->  O  e.  E ) )
2826, 27bi2anan9 843 . . . . . . . . . 10  |-  ( ( f  =  ( s `
 F )  /\  t  =  O )  ->  ( ( f  e.  T  /\  t  e.  E )  <->  ( (
s `  F )  e.  T  /\  O  e.  E ) ) )
2925, 28syl5ibrcom 213 . . . . . . . . 9  |-  ( ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T )  /\  s  e.  E )  ->  (
( f  =  ( s `  F )  /\  t  =  O )  ->  ( f  e.  T  /\  t  e.  E ) ) )
3029rexlimdva 2743 . . . . . . . 8  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( E. s  e.  E  (
f  =  ( s `
 F )  /\  t  =  O )  ->  ( f  e.  T  /\  t  e.  E
) ) )
3130pm4.71rd 616 . . . . . . 7  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( E. s  e.  E  (
f  =  ( s `
 F )  /\  t  =  O )  <->  ( ( f  e.  T  /\  t  e.  E
)  /\  E. s  e.  E  ( f  =  ( s `  F )  /\  t  =  O ) ) ) )
32 elsn 3731 . . . . . . . . 9  |-  ( t  e.  { O }  <->  t  =  O )
3332anbi2i 675 . . . . . . . 8  |-  ( ( E. s  e.  E  f  =  ( s `  F )  /\  t  e.  { O } )  <-> 
( E. s  e.  E  f  =  ( s `  F )  /\  t  =  O ) )
34 r19.41v 2769 . . . . . . . 8  |-  ( E. s  e.  E  ( f  =  ( s `
 F )  /\  t  =  O )  <->  ( E. s  e.  E  f  =  ( s `  F )  /\  t  =  O ) )
3533, 34bitr4i 243 . . . . . . 7  |-  ( ( E. s  e.  E  f  =  ( s `  F )  /\  t  e.  { O } )  <->  E. s  e.  E  ( f  =  ( s `  F )  /\  t  =  O ) )
36 df-3an 936 . . . . . . 7  |-  ( ( f  e.  T  /\  t  e.  E  /\  E. s  e.  E  ( f  =  ( s `
 F )  /\  t  =  O )
)  <->  ( ( f  e.  T  /\  t  e.  E )  /\  E. s  e.  E  (
f  =  ( s `
 F )  /\  t  =  O )
) )
3731, 35, 363bitr4g 279 . . . . . 6  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( ( E. s  e.  E  f  =  ( s `  F )  /\  t  e.  { O } )  <-> 
( f  e.  T  /\  t  e.  E  /\  E. s  e.  E  ( f  =  ( s `  F )  /\  t  =  O ) ) ) )
3819, 37bitrd 244 . . . . 5  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( (
f  e.  ( ( ( DIsoA `  K ) `  W ) `  ( R `  F )
)  /\  t  e.  { O } )  <->  ( f  e.  T  /\  t  e.  E  /\  E. s  e.  E  ( f  =  ( s `  F )  /\  t  =  O ) ) ) )
3915, 38syl5bb 248 . . . 4  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( <. f ,  t >.  e.  ( ( ( ( DIsoA `  K ) `  W
) `  ( R `  F ) )  X. 
{ O } )  <-> 
( f  e.  T  /\  t  e.  E  /\  E. s  e.  E  ( f  =  ( s `  F )  /\  t  =  O ) ) ) )
4014, 39opabbi2dv 4915 . . 3  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( (
( ( DIsoA `  K
) `  W ) `  ( R `  F
) )  X.  { O } )  =  { <. f ,  t >.  |  ( f  e.  T  /\  t  e.  E  /\  E. s  e.  E  ( f  =  ( s `  F )  /\  t  =  O ) ) } )
4113, 40eqtrd 2390 . 2  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( I `  ( R `  F
) )  =  { <. f ,  t >.  |  ( f  e.  T  /\  t  e.  E  /\  E. s  e.  E  ( f  =  ( s `  F )  /\  t  =  O ) ) } )
42 eqeq1 2364 . . . . 5  |-  ( g  =  <. f ,  t
>.  ->  ( g  = 
<. ( s `  F
) ,  O >.  <->  <. f ,  t >.  =  <. ( s `  F ) ,  O >. )
)
43 vex 2867 . . . . . 6  |-  f  e. 
_V
44 vex 2867 . . . . . 6  |-  t  e. 
_V
4543, 44opth 4327 . . . . 5  |-  ( <.
f ,  t >.  =  <. ( s `  F ) ,  O >.  <-> 
( f  =  ( s `  F )  /\  t  =  O ) )
4642, 45syl6bb 252 . . . 4  |-  ( g  =  <. f ,  t
>.  ->  ( g  = 
<. ( s `  F
) ,  O >.  <->  (
f  =  ( s `
 F )  /\  t  =  O )
) )
4746rexbidv 2640 . . 3  |-  ( g  =  <. f ,  t
>.  ->  ( E. s  e.  E  g  =  <. ( s `  F
) ,  O >.  <->  E. s  e.  E  (
f  =  ( s `
 F )  /\  t  =  O )
) )
4847rabxp 4807 . 2  |-  { g  e.  ( T  X.  E )  |  E. s  e.  E  g  =  <. ( s `  F ) ,  O >. }  =  { <. f ,  t >.  |  ( f  e.  T  /\  t  e.  E  /\  E. s  e.  E  ( f  =  ( s `
 F )  /\  t  =  O )
) }
4941, 48syl6eqr 2408 1  |-  ( ( ( K  e.  HL  /\  W  e.  H )  /\  F  e.  T
)  ->  ( I `  ( R `  F
) )  =  {
g  e.  ( T  X.  E )  |  E. s  e.  E  g  =  <. ( s `
 F ) ,  O >. } )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 358    /\ w3a 934    = wceq 1642    e. wcel 1710   E.wrex 2620   {crab 2623   {csn 3716   <.cop 3719   class class class wbr 4104   {copab 4157    e. cmpt 4158    _I cid 4386    X. cxp 4769    |` cres 4773   ` cfv 5337   Basecbs 13245   lecple 13312   HLchlt 29609   LHypclh 30242   LTrncltrn 30359   trLctrl 30416   TEndoctendo 31010   DIsoAcdia 31287   DIsoBcdib 31397
This theorem is referenced by:  dib1dim2  31427
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1546  ax-5 1557  ax-17 1616  ax-9 1654  ax-8 1675  ax-13 1712  ax-14 1714  ax-6 1729  ax-7 1734  ax-11 1746  ax-12 1930  ax-ext 2339  ax-rep 4212  ax-sep 4222  ax-nul 4230  ax-pow 4269  ax-pr 4295  ax-un 4594
This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3or 935  df-3an 936  df-tru 1319  df-ex 1542  df-nf 1545  df-sb 1649  df-eu 2213  df-mo 2214  df-clab 2345  df-cleq 2351  df-clel 2354  df-nfc 2483  df-ne 2523  df-nel 2524  df-ral 2624  df-rex 2625  df-reu 2626  df-rmo 2627  df-rab 2628  df-v 2866  df-sbc 3068  df-csb 3158  df-dif 3231  df-un 3233  df-in 3235  df-ss 3242  df-nul 3532  df-if 3642  df-pw 3703  df-sn 3722  df-pr 3723  df-op 3725  df-uni 3909  df-iun 3988  df-iin 3989  df-br 4105  df-opab 4159  df-mpt 4160  df-id 4391  df-xp 4777  df-rel 4778  df-cnv 4779  df-co 4780  df-dm 4781  df-rn 4782  df-res 4783  df-ima 4784  df-iota 5301  df-fun 5339  df-fn 5340  df-f 5341  df-f1 5342  df-fo 5343  df-f1o 5344  df-fv 5345  df-ov 5948  df-oprab 5949  df-mpt2 5950  df-1st 6209  df-2nd 6210  df-undef 6385  df-riota 6391  df-map 6862  df-poset 14179  df-plt 14191  df-lub 14207  df-glb 14208  df-join 14209  df-meet 14210  df-p0 14244  df-p1 14245  df-lat 14251  df-clat 14313  df-oposet 29435  df-ol 29437  df-oml 29438  df-covers 29525  df-ats 29526  df-atl 29557  df-cvlat 29581  df-hlat 29610  df-llines 29756  df-lplanes 29757  df-lvols 29758  df-lines 29759  df-psubsp 29761  df-pmap 29762  df-padd 30054  df-lhyp 30246  df-laut 30247  df-ldil 30362  df-ltrn 30363  df-trl 30417  df-tendo 31013  df-disoa 31288  df-dib 31398
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