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Theorem isfull 16570
Description: Value of the set of full functors between two categories. (Contributed by Mario Carneiro, 27-Jan-2017.)
Hypotheses
Ref Expression
isfull.b  |-  B  =  ( Base `  C
)
isfull.j  |-  J  =  ( Hom  `  D
)
Assertion
Ref Expression
isfull  |-  ( F ( C Full  D ) G  <->  ( F ( C  Func  D ) G  /\  A. x  e.  B  A. y  e.  B  ran  ( x G y )  =  ( ( F `  x ) J ( F `  y ) ) ) )
Distinct variable groups:    x, y, B    x, C, y    x, D, y    x, J, y   
x, F, y    x, G, y

Proof of Theorem isfull
Dummy variables  c 
d  f  g are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fullfunc 16566 . . 3  |-  ( C Full 
D )  C_  ( C  Func  D )
21ssbri 4697 . 2  |-  ( F ( C Full  D ) G  ->  F ( C  Func  D ) G )
3 df-br 4654 . . . . . . 7  |-  ( F ( C  Func  D
) G  <->  <. F ,  G >.  e.  ( C 
Func  D ) )
4 funcrcl 16523 . . . . . . 7  |-  ( <. F ,  G >.  e.  ( C  Func  D
)  ->  ( C  e.  Cat  /\  D  e. 
Cat ) )
53, 4sylbi 207 . . . . . 6  |-  ( F ( C  Func  D
) G  ->  ( C  e.  Cat  /\  D  e.  Cat ) )
6 oveq12 6659 . . . . . . . . . 10  |-  ( ( c  =  C  /\  d  =  D )  ->  ( c  Func  d
)  =  ( C 
Func  D ) )
76breqd 4664 . . . . . . . . 9  |-  ( ( c  =  C  /\  d  =  D )  ->  ( f ( c 
Func  d ) g  <-> 
f ( C  Func  D ) g ) )
8 simpl 473 . . . . . . . . . . . 12  |-  ( ( c  =  C  /\  d  =  D )  ->  c  =  C )
98fveq2d 6195 . . . . . . . . . . 11  |-  ( ( c  =  C  /\  d  =  D )  ->  ( Base `  c
)  =  ( Base `  C ) )
10 isfull.b . . . . . . . . . . 11  |-  B  =  ( Base `  C
)
119, 10syl6eqr 2674 . . . . . . . . . 10  |-  ( ( c  =  C  /\  d  =  D )  ->  ( Base `  c
)  =  B )
12 simpr 477 . . . . . . . . . . . . . . 15  |-  ( ( c  =  C  /\  d  =  D )  ->  d  =  D )
1312fveq2d 6195 . . . . . . . . . . . . . 14  |-  ( ( c  =  C  /\  d  =  D )  ->  ( Hom  `  d
)  =  ( Hom  `  D ) )
14 isfull.j . . . . . . . . . . . . . 14  |-  J  =  ( Hom  `  D
)
1513, 14syl6eqr 2674 . . . . . . . . . . . . 13  |-  ( ( c  =  C  /\  d  =  D )  ->  ( Hom  `  d
)  =  J )
1615oveqd 6667 . . . . . . . . . . . 12  |-  ( ( c  =  C  /\  d  =  D )  ->  ( ( f `  x ) ( Hom  `  d ) ( f `
 y ) )  =  ( ( f `
 x ) J ( f `  y
) ) )
1716eqeq2d 2632 . . . . . . . . . . 11  |-  ( ( c  =  C  /\  d  =  D )  ->  ( ran  ( x g y )  =  ( ( f `  x ) ( Hom  `  d ) ( f `
 y ) )  <->  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) )
1811, 17raleqbidv 3152 . . . . . . . . . 10  |-  ( ( c  =  C  /\  d  =  D )  ->  ( A. y  e.  ( Base `  c
) ran  ( x
g y )  =  ( ( f `  x ) ( Hom  `  d ) ( f `
 y ) )  <->  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) )
1911, 18raleqbidv 3152 . . . . . . . . 9  |-  ( ( c  =  C  /\  d  =  D )  ->  ( A. x  e.  ( Base `  c
) A. y  e.  ( Base `  c
) ran  ( x
g y )  =  ( ( f `  x ) ( Hom  `  d ) ( f `
 y ) )  <->  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) )
207, 19anbi12d 747 . . . . . . . 8  |-  ( ( c  =  C  /\  d  =  D )  ->  ( ( f ( c  Func  d )
g  /\  A. x  e.  ( Base `  c
) A. y  e.  ( Base `  c
) ran  ( x
g y )  =  ( ( f `  x ) ( Hom  `  d ) ( f `
 y ) ) )  <->  ( f ( C  Func  D )
g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) ) )
2120opabbidv 4716 . . . . . . 7  |-  ( ( c  =  C  /\  d  =  D )  ->  { <. f ,  g
>.  |  ( f
( c  Func  d
) g  /\  A. x  e.  ( Base `  c ) A. y  e.  ( Base `  c
) ran  ( x
g y )  =  ( ( f `  x ) ( Hom  `  d ) ( f `
 y ) ) ) }  =  { <. f ,  g >.  |  ( f ( C  Func  D )
g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) } )
22 df-full 16564 . . . . . . 7  |- Full  =  ( c  e.  Cat , 
d  e.  Cat  |->  {
<. f ,  g >.  |  ( f ( c  Func  d )
g  /\  A. x  e.  ( Base `  c
) A. y  e.  ( Base `  c
) ran  ( x
g y )  =  ( ( f `  x ) ( Hom  `  d ) ( f `
 y ) ) ) } )
23 ovex 6678 . . . . . . . 8  |-  ( C 
Func  D )  e.  _V
24 simpl 473 . . . . . . . . . 10  |-  ( ( f ( C  Func  D ) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) )  ->  f ( C 
Func  D ) g )
2524ssopab2i 5003 . . . . . . . . 9  |-  { <. f ,  g >.  |  ( f ( C  Func  D ) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) }  C_  { <. f ,  g >.  |  f ( C  Func  D
) g }
26 opabss 4714 . . . . . . . . 9  |-  { <. f ,  g >.  |  f ( C  Func  D
) g }  C_  ( C  Func  D )
2725, 26sstri 3612 . . . . . . . 8  |-  { <. f ,  g >.  |  ( f ( C  Func  D ) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) }  C_  ( C  Func  D )
2823, 27ssexi 4803 . . . . . . 7  |-  { <. f ,  g >.  |  ( f ( C  Func  D ) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) }  e.  _V
2921, 22, 28ovmpt2a 6791 . . . . . 6  |-  ( ( C  e.  Cat  /\  D  e.  Cat )  ->  ( C Full  D )  =  { <. f ,  g >.  |  ( f ( C  Func  D ) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) } )
305, 29syl 17 . . . . 5  |-  ( F ( C  Func  D
) G  ->  ( C Full  D )  =  { <. f ,  g >.  |  ( f ( C  Func  D )
g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) } )
3130breqd 4664 . . . 4  |-  ( F ( C  Func  D
) G  ->  ( F ( C Full  D
) G  <->  F { <. f ,  g >.  |  ( f ( C  Func  D )
g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) } G
) )
32 relfunc 16522 . . . . . 6  |-  Rel  ( C  Func  D )
33 brrelex12 5155 . . . . . 6  |-  ( ( Rel  ( C  Func  D )  /\  F ( C  Func  D ) G )  ->  ( F  e.  _V  /\  G  e.  _V ) )
3432, 33mpan 706 . . . . 5  |-  ( F ( C  Func  D
) G  ->  ( F  e.  _V  /\  G  e.  _V ) )
35 breq12 4658 . . . . . . 7  |-  ( ( f  =  F  /\  g  =  G )  ->  ( f ( C 
Func  D ) g  <->  F ( C  Func  D ) G ) )
36 simpr 477 . . . . . . . . . . 11  |-  ( ( f  =  F  /\  g  =  G )  ->  g  =  G )
3736oveqd 6667 . . . . . . . . . 10  |-  ( ( f  =  F  /\  g  =  G )  ->  ( x g y )  =  ( x G y ) )
3837rneqd 5353 . . . . . . . . 9  |-  ( ( f  =  F  /\  g  =  G )  ->  ran  ( x g y )  =  ran  ( x G y ) )
39 simpl 473 . . . . . . . . . . 11  |-  ( ( f  =  F  /\  g  =  G )  ->  f  =  F )
4039fveq1d 6193 . . . . . . . . . 10  |-  ( ( f  =  F  /\  g  =  G )  ->  ( f `  x
)  =  ( F `
 x ) )
4139fveq1d 6193 . . . . . . . . . 10  |-  ( ( f  =  F  /\  g  =  G )  ->  ( f `  y
)  =  ( F `
 y ) )
4240, 41oveq12d 6668 . . . . . . . . 9  |-  ( ( f  =  F  /\  g  =  G )  ->  ( ( f `  x ) J ( f `  y ) )  =  ( ( F `  x ) J ( F `  y ) ) )
4338, 42eqeq12d 2637 . . . . . . . 8  |-  ( ( f  =  F  /\  g  =  G )  ->  ( ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) )  <->  ran  ( x G y )  =  ( ( F `  x
) J ( F `
 y ) ) ) )
44432ralbidv 2989 . . . . . . 7  |-  ( ( f  =  F  /\  g  =  G )  ->  ( A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) )  <->  A. x  e.  B  A. y  e.  B  ran  ( x G y )  =  ( ( F `  x ) J ( F `  y ) ) ) )
4535, 44anbi12d 747 . . . . . 6  |-  ( ( f  =  F  /\  g  =  G )  ->  ( ( f ( C  Func  D )
g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) )  <->  ( F
( C  Func  D
) G  /\  A. x  e.  B  A. y  e.  B  ran  ( x G y )  =  ( ( F `  x ) J ( F `  y ) ) ) ) )
46 eqid 2622 . . . . . 6  |-  { <. f ,  g >.  |  ( f ( C  Func  D ) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) }  =  { <. f ,  g >.  |  ( f ( C  Func  D ) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) }
4745, 46brabga 4989 . . . . 5  |-  ( ( F  e.  _V  /\  G  e.  _V )  ->  ( F { <. f ,  g >.  |  ( f ( C  Func  D ) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) } G  <->  ( F
( C  Func  D
) G  /\  A. x  e.  B  A. y  e.  B  ran  ( x G y )  =  ( ( F `  x ) J ( F `  y ) ) ) ) )
4834, 47syl 17 . . . 4  |-  ( F ( C  Func  D
) G  ->  ( F { <. f ,  g
>.  |  ( f
( C  Func  D
) g  /\  A. x  e.  B  A. y  e.  B  ran  ( x g y )  =  ( ( f `  x ) J ( f `  y ) ) ) } G  <->  ( F
( C  Func  D
) G  /\  A. x  e.  B  A. y  e.  B  ran  ( x G y )  =  ( ( F `  x ) J ( F `  y ) ) ) ) )
4931, 48bitrd 268 . . 3  |-  ( F ( C  Func  D
) G  ->  ( F ( C Full  D
) G  <->  ( F
( C  Func  D
) G  /\  A. x  e.  B  A. y  e.  B  ran  ( x G y )  =  ( ( F `  x ) J ( F `  y ) ) ) ) )
5049bianabs 924 . 2  |-  ( F ( C  Func  D
) G  ->  ( F ( C Full  D
) G  <->  A. x  e.  B  A. y  e.  B  ran  ( x G y )  =  ( ( F `  x ) J ( F `  y ) ) ) )
512, 50biadan2 674 1  |-  ( F ( C Full  D ) G  <->  ( F ( C  Func  D ) G  /\  A. x  e.  B  A. y  e.  B  ran  ( x G y )  =  ( ( F `  x ) J ( F `  y ) ) ) )
Colors of variables: wff setvar class
Syntax hints:    <-> wb 196    /\ wa 384    = wceq 1483    e. wcel 1990   A.wral 2912   _Vcvv 3200   <.cop 4183   class class class wbr 4653   {copab 4712   ran crn 5115   Rel wrel 5119   ` cfv 5888  (class class class)co 6650   Basecbs 15857   Hom chom 15952   Catccat 16325    Func cfunc 16514   Full cful 16562
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-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  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-ral 2917  df-rex 2918  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-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  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-iota 5851  df-fun 5890  df-fv 5896  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-1st 7168  df-2nd 7169  df-func 16518  df-full 16564
This theorem is referenced by:  isfull2  16571  fullpropd  16580  fulloppc  16582  fullres2c  16599
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