ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  rhmex Unicode version

Theorem rhmex 14408
Description: Set existence for ring homomorphism. (Contributed by Jim Kingdon, 16-May-2025.)
Assertion
Ref Expression
rhmex  |-  ( ( R  e.  V  /\  S  e.  W )  ->  ( R RingHom  S )  e.  _V )

Proof of Theorem rhmex
Dummy variables  r  s  f  v  w  x  y are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 basfn 13361 . . . . . 6  |-  Base  Fn  _V
2 vex 2818 . . . . . 6  |-  r  e. 
_V
3 funfvex 5694 . . . . . . 7  |-  ( ( Fun  Base  /\  r  e.  dom  Base )  ->  ( Base `  r )  e. 
_V )
43funfni 5465 . . . . . 6  |-  ( (
Base  Fn  _V  /\  r  e.  _V )  ->  ( Base `  r )  e. 
_V )
51, 2, 4mp2an 426 . . . . 5  |-  ( Base `  r )  e.  _V
6 vex 2818 . . . . . . 7  |-  s  e. 
_V
7 funfvex 5694 . . . . . . . 8  |-  ( ( Fun  Base  /\  s  e.  dom  Base )  ->  ( Base `  s )  e. 
_V )
87funfni 5465 . . . . . . 7  |-  ( (
Base  Fn  _V  /\  s  e.  _V )  ->  ( Base `  s )  e. 
_V )
91, 6, 8mp2an 426 . . . . . 6  |-  ( Base `  s )  e.  _V
10 fnmap 6904 . . . . . . . 8  |-  ^m  Fn  ( _V  X.  _V )
11 vex 2818 . . . . . . . 8  |-  w  e. 
_V
12 vex 2818 . . . . . . . 8  |-  v  e. 
_V
13 fnovex 6093 . . . . . . . 8  |-  ( (  ^m  Fn  ( _V 
X.  _V )  /\  w  e.  _V  /\  v  e. 
_V )  ->  (
w  ^m  v )  e.  _V )
1410, 11, 12, 13mp3an 1374 . . . . . . 7  |-  ( w  ^m  v )  e. 
_V
1514rabex 4262 . . . . . 6  |-  { f  e.  ( w  ^m  v )  |  ( ( f `  ( 1r `  r ) )  =  ( 1r `  s )  /\  A. x  e.  v  A. y  e.  v  (
( f `  (
x ( +g  `  r
) y ) )  =  ( ( f `
 x ) ( +g  `  s ) ( f `  y
) )  /\  (
f `  ( x
( .r `  r
) y ) )  =  ( ( f `
 x ) ( .r `  s ) ( f `  y
) ) ) ) }  e.  _V
169, 15csbexa 4245 . . . . 5  |-  [_ ( Base `  s )  /  w ]_ { f  e.  ( w  ^m  v
)  |  ( ( f `  ( 1r
`  r ) )  =  ( 1r `  s )  /\  A. x  e.  v  A. y  e.  v  (
( f `  (
x ( +g  `  r
) y ) )  =  ( ( f `
 x ) ( +g  `  s ) ( f `  y
) )  /\  (
f `  ( x
( .r `  r
) y ) )  =  ( ( f `
 x ) ( .r `  s ) ( f `  y
) ) ) ) }  e.  _V
175, 16csbexa 4245 . . . 4  |-  [_ ( Base `  r )  / 
v ]_ [_ ( Base `  s )  /  w ]_ { f  e.  ( w  ^m  v )  |  ( ( f `
 ( 1r `  r ) )  =  ( 1r `  s
)  /\  A. x  e.  v  A. y  e.  v  ( (
f `  ( x
( +g  `  r ) y ) )  =  ( ( f `  x ) ( +g  `  s ) ( f `
 y ) )  /\  ( f `  ( x ( .r
`  r ) y ) )  =  ( ( f `  x
) ( .r `  s ) ( f `
 y ) ) ) ) }  e.  _V
1817a1i 9 . . 3  |-  ( ( R  e.  V  /\  S  e.  W )  ->  [_ ( Base `  r
)  /  v ]_ [_ ( Base `  s
)  /  w ]_ { f  e.  ( w  ^m  v )  |  ( ( f `
 ( 1r `  r ) )  =  ( 1r `  s
)  /\  A. x  e.  v  A. y  e.  v  ( (
f `  ( x
( +g  `  r ) y ) )  =  ( ( f `  x ) ( +g  `  s ) ( f `
 y ) )  /\  ( f `  ( x ( .r
`  r ) y ) )  =  ( ( f `  x
) ( .r `  s ) ( f `
 y ) ) ) ) }  e.  _V )
1918alrimivv 1924 . 2  |-  ( ( R  e.  V  /\  S  e.  W )  ->  A. r A. s [_ ( Base `  r
)  /  v ]_ [_ ( Base `  s
)  /  w ]_ { f  e.  ( w  ^m  v )  |  ( ( f `
 ( 1r `  r ) )  =  ( 1r `  s
)  /\  A. x  e.  v  A. y  e.  v  ( (
f `  ( x
( +g  `  r ) y ) )  =  ( ( f `  x ) ( +g  `  s ) ( f `
 y ) )  /\  ( f `  ( x ( .r
`  r ) y ) )  =  ( ( f `  x
) ( .r `  s ) ( f `
 y ) ) ) ) }  e.  _V )
20 simpl 109 . 2  |-  ( ( R  e.  V  /\  S  e.  W )  ->  R  e.  V )
21 simpr 110 . 2  |-  ( ( R  e.  V  /\  S  e.  W )  ->  S  e.  W )
22 df-rhm 14403 . . 3  |- RingHom  =  ( r  e.  Ring ,  s  e.  Ring  |->  [_ ( Base `  r )  / 
v ]_ [_ ( Base `  s )  /  w ]_ { f  e.  ( w  ^m  v )  |  ( ( f `
 ( 1r `  r ) )  =  ( 1r `  s
)  /\  A. x  e.  v  A. y  e.  v  ( (
f `  ( x
( +g  `  r ) y ) )  =  ( ( f `  x ) ( +g  `  s ) ( f `
 y ) )  /\  ( f `  ( x ( .r
`  r ) y ) )  =  ( ( f `  x
) ( .r `  s ) ( f `
 y ) ) ) ) } )
2322mpofvex 6416 . 2  |-  ( ( A. r A. s [_ ( Base `  r
)  /  v ]_ [_ ( Base `  s
)  /  w ]_ { f  e.  ( w  ^m  v )  |  ( ( f `
 ( 1r `  r ) )  =  ( 1r `  s
)  /\  A. x  e.  v  A. y  e.  v  ( (
f `  ( x
( +g  `  r ) y ) )  =  ( ( f `  x ) ( +g  `  s ) ( f `
 y ) )  /\  ( f `  ( x ( .r
`  r ) y ) )  =  ( ( f `  x
) ( .r `  s ) ( f `
 y ) ) ) ) }  e.  _V  /\  R  e.  V  /\  S  e.  W
)  ->  ( R RingHom  S )  e.  _V )
2419, 20, 21, 23syl3anc 1274 1  |-  ( ( R  e.  V  /\  S  e.  W )  ->  ( R RingHom  S )  e.  _V )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104   A.wal 1396    = wceq 1398    e. wcel 2205   A.wral 2522   {crab 2526   _Vcvv 2815   [_csb 3141    X. cxp 4754    Fn wfn 5354   ` cfv 5359  (class class class)co 6060    ^m cmap 6897   Basecbs 13302   +g cplusg 13380   .rcmulr 13381   1rcur 14208   Ringcrg 14245   RingHom crh 14401
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-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-14 2208  ax-ext 2216  ax-sep 4234  ax-pow 4293  ax-pr 4328  ax-un 4560  ax-cnex 8236  ax-resscn 8237  ax-1re 8239  ax-addrcl 8242
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  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-ral 2527  df-rex 2528  df-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-un 3218  df-in 3220  df-ss 3227  df-pw 3677  df-sn 3701  df-pr 3702  df-op 3704  df-uni 3921  df-int 3956  df-iun 3999  df-br 4116  df-opab 4178  df-mpt 4179  df-id 4420  df-xp 4762  df-rel 4763  df-cnv 4764  df-co 4765  df-dm 4766  df-rn 4767  df-res 4768  df-ima 4769  df-iota 5319  df-fun 5361  df-fn 5362  df-f 5363  df-fo 5365  df-fv 5367  df-ov 6063  df-oprab 6064  df-mpo 6065  df-1st 6349  df-2nd 6350  df-map 6899  df-inn 9260  df-ndx 13305  df-slot 13306  df-base 13308  df-rhm 14403
This theorem is referenced by:  isrim0  14412  zrhval  14897  zrhvalg  14898  zrhex  14901
  Copyright terms: Public domain W3C validator