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Theorem prdsvallem 13567
Description: Lemma for prdsval 14118. (Contributed by Stefan O'Rear, 3-Jan-2015.) Extracted from the former proof of prdsval 14118, dependency on df-hom 13401 removed. (Revised by AV, 13-Oct-2024.)
Assertion
Ref Expression
prdsvallem  |-  ( f  e.  v ,  g  e.  v  |->  X_ x  e.  dom  r ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) ) )  e.  _V
Distinct variable groups:    x, r    f,
g, r    v, f,
g

Proof of Theorem prdsvallem
StepHypRef Expression
1 vex 2818 . 2  |-  v  e. 
_V
2 fnmap 6902 . . . 4  |-  ^m  Fn  ( _V  X.  _V )
3 vex 2818 . . . . . . . . . 10  |-  r  e. 
_V
43rnex 5030 . . . . . . . . 9  |-  ran  r  e.  _V
54uniex 4563 . . . . . . . 8  |-  U. ran  r  e.  _V
65rnex 5030 . . . . . . 7  |-  ran  U. ran  r  e.  _V
76uniex 4563 . . . . . 6  |-  U. ran  U.
ran  r  e.  _V
87rnex 5030 . . . . 5  |-  ran  U. ran  U. ran  r  e. 
_V
98uniex 4563 . . . 4  |-  U. ran  U.
ran  U. ran  r  e. 
_V
103dmex 5029 . . . 4  |-  dom  r  e.  _V
11 fnovex 6091 . . . 4  |-  ( (  ^m  Fn  ( _V 
X.  _V )  /\  U. ran  U. ran  U. ran  r  e.  _V  /\  dom  r  e.  _V )  ->  ( U. ran  U. ran  U. ran  r  ^m  dom  r )  e.  _V )
122, 9, 10, 11mp3an 1374 . . 3  |-  ( U. ran  U. ran  U. ran  r  ^m  dom  r )  e.  _V
1312pwex 4301 . 2  |-  ~P ( U. ran  U. ran  U. ran  r  ^m  dom  r
)  e.  _V
14 vex 2818 . . . . . . . . . 10  |-  f  e. 
_V
15 vex 2818 . . . . . . . . . 10  |-  x  e. 
_V
1614, 15fvex 5695 . . . . . . . . 9  |-  ( f `
 x )  e. 
_V
17 vex 2818 . . . . . . . . . 10  |-  g  e. 
_V
1817, 15fvex 5695 . . . . . . . . 9  |-  ( g `
 x )  e. 
_V
19 ovssunirng 6093 . . . . . . . . 9  |-  ( ( ( f `  x
)  e.  _V  /\  ( g `  x
)  e.  _V )  ->  ( ( f `  x ) ( Hom  `  ( r `  x
) ) ( g `
 x ) ) 
C_  U. ran  ( Hom  `  ( r `  x
) ) )
2016, 18, 19mp2an 426 . . . . . . . 8  |-  ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) )  C_  U.
ran  ( Hom  `  (
r `  x )
)
21 homid 13534 . . . . . . . . . . . 12  |-  Hom  = Slot  ( Hom  `  ndx )
223, 15fvex 5695 . . . . . . . . . . . . 13  |-  ( r `
 x )  e. 
_V
2322a1i 9 . . . . . . . . . . . 12  |-  ( T. 
->  ( r `  x
)  e.  _V )
24 homslid 13535 . . . . . . . . . . . . . 14  |-  ( Hom  = Slot  ( Hom  `  ndx )  /\  ( Hom  `  ndx )  e.  NN )
2524simpri 113 . . . . . . . . . . . . 13  |-  ( Hom  `  ndx )  e.  NN
2625a1i 9 . . . . . . . . . . . 12  |-  ( T. 
->  ( Hom  `  ndx )  e.  NN )
2721, 23, 26strfvssn 13321 . . . . . . . . . . 11  |-  ( T. 
->  ( Hom  `  (
r `  x )
)  C_  U. ran  (
r `  x )
)
2827mptru 1407 . . . . . . . . . 10  |-  ( Hom  `  ( r `  x
) )  C_  U. ran  ( r `  x
)
29 fvssunirng 5690 . . . . . . . . . . . 12  |-  ( x  e.  _V  ->  (
r `  x )  C_ 
U. ran  r )
3029elv 2819 . . . . . . . . . . 11  |-  ( r `
 x )  C_  U.
ran  r
31 rnss 4992 . . . . . . . . . . 11  |-  ( ( r `  x ) 
C_  U. ran  r  ->  ran  ( r `  x
)  C_  ran  U. ran  r )
32 uniss 3940 . . . . . . . . . . 11  |-  ( ran  ( r `  x
)  C_  ran  U. ran  r  ->  U. ran  ( r `
 x )  C_  U.
ran  U. ran  r )
3330, 31, 32mp2b 8 . . . . . . . . . 10  |-  U. ran  ( r `  x
)  C_  U. ran  U. ran  r
3428, 33sstri 3251 . . . . . . . . 9  |-  ( Hom  `  ( r `  x
) )  C_  U. ran  U.
ran  r
35 rnss 4992 . . . . . . . . 9  |-  ( ( Hom  `  ( r `  x ) )  C_  U.
ran  U. ran  r  ->  ran  ( Hom  `  (
r `  x )
)  C_  ran  U. ran  U.
ran  r )
36 uniss 3940 . . . . . . . . 9  |-  ( ran  ( Hom  `  (
r `  x )
)  C_  ran  U. ran  U.
ran  r  ->  U. ran  ( Hom  `  ( r `  x ) )  C_  U.
ran  U. ran  U. ran  r )
3734, 35, 36mp2b 8 . . . . . . . 8  |-  U. ran  ( Hom  `  ( r `  x ) )  C_  U.
ran  U. ran  U. ran  r
3820, 37sstri 3251 . . . . . . 7  |-  ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) )  C_  U.
ran  U. ran  U. ran  r
3938rgenw 2599 . . . . . 6  |-  A. x  e.  dom  r ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) )  C_  U.
ran  U. ran  U. ran  r
40 ss2ixp 6959 . . . . . 6  |-  ( A. x  e.  dom  r ( ( f `  x
) ( Hom  `  (
r `  x )
) ( g `  x ) )  C_  U.
ran  U. ran  U. ran  r  ->  X_ x  e.  dom  r ( ( f `
 x ) ( Hom  `  ( r `  x ) ) ( g `  x ) )  C_  X_ x  e. 
dom  r U. ran  U.
ran  U. ran  r )
4139, 40ax-mp 5 . . . . 5  |-  X_ x  e.  dom  r ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) )  C_  X_ x  e.  dom  r U. ran  U. ran  U. ran  r
4210, 9ixpconst 6956 . . . . 5  |-  X_ x  e.  dom  r U. ran  U.
ran  U. ran  r  =  ( U. ran  U. ran  U. ran  r  ^m  dom  r )
4341, 42sseqtri 3276 . . . 4  |-  X_ x  e.  dom  r ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) )  C_  ( U. ran  U. ran  U.
ran  r  ^m  dom  r )
4412, 43elpwi2 4275 . . 3  |-  X_ x  e.  dom  r ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) )  e. 
~P ( U. ran  U.
ran  U. ran  r  ^m  dom  r )
4544rgen2w 2600 . 2  |-  A. f  e.  v  A. g  e.  v  X_ x  e. 
dom  r ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) )  e. 
~P ( U. ran  U.
ran  U. ran  r  ^m  dom  r )
461, 1, 13, 45mpoexw 6422 1  |-  ( f  e.  v ,  g  e.  v  |->  X_ x  e.  dom  r ( ( f `  x ) ( Hom  `  (
r `  x )
) ( g `  x ) ) )  e.  _V
Colors of variables: wff set class
Syntax hints:    = wceq 1398   T. wtru 1399    e. wcel 2205   A.wral 2522   _Vcvv 2815    C_ wss 3214   ~Pcpw 3674   U.cuni 3919    X. cxp 4752   dom cdm 4754   ran crn 4755    Fn wfn 5352   ` cfv 5357  (class class class)co 6058    e. cmpo 6060    ^m cmap 6895   X_cixp 6946   NNcn 9257   ndxcnx 13296  Slot cslot 13298   Hom chom 13388
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-cnex 8234  ax-resscn 8235  ax-1cn 8236  ax-1re 8237  ax-icn 8238  ax-addcl 8239  ax-addrcl 8240  ax-mulcl 8241  ax-addcom 8243  ax-mulcom 8244  ax-addass 8245  ax-mulass 8246  ax-distr 8247  ax-i2m1 8248  ax-1rid 8250  ax-0id 8251  ax-rnegex 8252  ax-cnre 8254
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-iun 3998  df-br 4115  df-opab 4177  df-mpt 4178  df-id 4419  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-res 4766  df-ima 4767  df-iota 5317  df-fun 5359  df-fn 5360  df-f 5361  df-fv 5365  df-riota 6011  df-ov 6061  df-oprab 6062  df-mpo 6063  df-1st 6347  df-2nd 6348  df-map 6897  df-ixp 6947  df-sub 8463  df-inn 9258  df-2 9316  df-3 9317  df-4 9318  df-5 9319  df-6 9320  df-7 9321  df-8 9322  df-9 9323  df-n0 9517  df-dec 9731  df-ndx 13302  df-slot 13303  df-hom 13401
This theorem is referenced by:  prdsval  14118
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