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

Theorem fvmptd 5385
Description: Deduction version of fvmpt 5381. (Contributed by Scott Fenton, 18-Feb-2013.) (Revised by Mario Carneiro, 31-Aug-2015.)
Hypotheses
Ref Expression
fvmptd.1  |-  ( ph  ->  F  =  ( x  e.  D  |->  B ) )
fvmptd.2  |-  ( (
ph  /\  x  =  A )  ->  B  =  C )
fvmptd.3  |-  ( ph  ->  A  e.  D )
fvmptd.4  |-  ( ph  ->  C  e.  V )
Assertion
Ref Expression
fvmptd  |-  ( ph  ->  ( F `  A
)  =  C )
Distinct variable groups:    x, A    x, C    x, D    ph, x
Allowed substitution hints:    B( x)    F( x)    V( x)

Proof of Theorem fvmptd
StepHypRef Expression
1 fvmptd.1 . . 3  |-  ( ph  ->  F  =  ( x  e.  D  |->  B ) )
21fveq1d 5307 . 2  |-  ( ph  ->  ( F `  A
)  =  ( ( x  e.  D  |->  B ) `  A ) )
3 fvmptd.3 . . 3  |-  ( ph  ->  A  e.  D )
4 fvmptd.2 . . . . 5  |-  ( (
ph  /\  x  =  A )  ->  B  =  C )
53, 4csbied 2974 . . . 4  |-  ( ph  ->  [_ A  /  x ]_ B  =  C
)
6 fvmptd.4 . . . 4  |-  ( ph  ->  C  e.  V )
75, 6eqeltrd 2164 . . 3  |-  ( ph  ->  [_ A  /  x ]_ B  e.  V
)
8 eqid 2088 . . . 4  |-  ( x  e.  D  |->  B )  =  ( x  e.  D  |->  B )
98fvmpts 5382 . . 3  |-  ( ( A  e.  D  /\  [_ A  /  x ]_ B  e.  V )  ->  ( ( x  e.  D  |->  B ) `  A )  =  [_ A  /  x ]_ B
)
103, 7, 9syl2anc 403 . 2  |-  ( ph  ->  ( ( x  e.  D  |->  B ) `  A )  =  [_ A  /  x ]_ B
)
112, 10, 53eqtrd 2124 1  |-  ( ph  ->  ( F `  A
)  =  C )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 102    = wceq 1289    e. wcel 1438   [_csb 2933    |-> cmpt 3899   ` cfv 5015
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 665  ax-5 1381  ax-7 1382  ax-gen 1383  ax-ie1 1427  ax-ie2 1428  ax-8 1440  ax-10 1441  ax-11 1442  ax-i12 1443  ax-bndl 1444  ax-4 1445  ax-14 1450  ax-17 1464  ax-i9 1468  ax-ial 1472  ax-i5r 1473  ax-ext 2070  ax-sep 3957  ax-pow 4009  ax-pr 4036
This theorem depends on definitions:  df-bi 115  df-3an 926  df-tru 1292  df-nf 1395  df-sb 1693  df-eu 1951  df-mo 1952  df-clab 2075  df-cleq 2081  df-clel 2084  df-nfc 2217  df-ral 2364  df-rex 2365  df-v 2621  df-sbc 2841  df-csb 2934  df-un 3003  df-in 3005  df-ss 3012  df-pw 3431  df-sn 3452  df-pr 3453  df-op 3455  df-uni 3654  df-br 3846  df-opab 3900  df-mpt 3901  df-id 4120  df-xp 4444  df-rel 4445  df-cnv 4446  df-co 4447  df-dm 4448  df-iota 4980  df-fun 5017  df-fv 5023
This theorem is referenced by:  fvmptdv2  5392  rdgivallem  6146  djuss  6759  1stinl  6763  2ndinl  6764  1stinr  6765  2ndinr  6766  updjudhcoinlf  6769  updjudhcoinrg  6770  cardcl  6807  caucvgsrlemfv  7334  caucvgsrlemoffval  7339  axcaucvglemval  7430  negiso  8414  infrenegsupex  9080  iseqf1olemfvp  9922  seq3f1olemqsum  9925  climcvg1nlem  10734  isumshft  10880  peano4nninf  11851  peano3nninf  11852  nninfsellemeq  11861  nninfsellemeqinf  11863
  Copyright terms: Public domain W3C validator