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

Theorem fnpm 6558
Description: Partial function exponentiation has a universal domain. (Contributed by Mario Carneiro, 14-Nov-2013.)
Assertion
Ref Expression
fnpm  |-  ^pm  Fn  ( _V  X.  _V )

Proof of Theorem fnpm
Dummy variables  x  f  y are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-pm 6553 . 2  |-  ^pm  =  ( x  e.  _V ,  y  e.  _V  |->  { f  e.  ~P ( y  X.  x
)  |  Fun  f } )
2 vex 2692 . . . . 5  |-  y  e. 
_V
3 vex 2692 . . . . 5  |-  x  e. 
_V
42, 3xpex 4662 . . . 4  |-  ( y  X.  x )  e. 
_V
54pwex 4115 . . 3  |-  ~P (
y  X.  x )  e.  _V
65rabex 4080 . 2  |-  { f  e.  ~P ( y  X.  x )  |  Fun  f }  e.  _V
71, 6fnmpoi 6110 1  |-  ^pm  Fn  ( _V  X.  _V )
Colors of variables: wff set class
Syntax hints:   {crab 2421   _Vcvv 2689   ~Pcpw 3515    X. cxp 4545   Fun wfun 5125    Fn wfn 5126    ^pm cpm 6551
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-13 1492  ax-14 1493  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122  ax-sep 4054  ax-pow 4106  ax-pr 4139  ax-un 4363
This theorem depends on definitions:  df-bi 116  df-3an 965  df-tru 1335  df-nf 1438  df-sb 1737  df-eu 2003  df-mo 2004  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-ral 2422  df-rex 2423  df-rab 2426  df-v 2691  df-sbc 2914  df-csb 3008  df-un 3080  df-in 3082  df-ss 3089  df-pw 3517  df-sn 3538  df-pr 3539  df-op 3541  df-uni 3745  df-iun 3823  df-br 3938  df-opab 3998  df-mpt 3999  df-id 4223  df-xp 4553  df-rel 4554  df-cnv 4555  df-co 4556  df-dm 4557  df-rn 4558  df-res 4559  df-ima 4560  df-iota 5096  df-fun 5133  df-fn 5134  df-f 5135  df-fv 5139  df-oprab 5786  df-mpo 5787  df-1st 6046  df-2nd 6047  df-pm 6553
This theorem is referenced by:  lmfval  12400
  Copyright terms: Public domain W3C validator