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

Theorem nfov 5801
Description: Bound-variable hypothesis builder for operation value. (Contributed by NM, 4-May-2004.)
Hypotheses
Ref Expression
nfov.1  |-  F/_ x A
nfov.2  |-  F/_ x F
nfov.3  |-  F/_ x B
Assertion
Ref Expression
nfov  |-  F/_ x
( A F B )

Proof of Theorem nfov
StepHypRef Expression
1 nfov.1 . . . 4  |-  F/_ x A
21a1i 9 . . 3  |-  ( T. 
->  F/_ x A )
3 nfov.2 . . . 4  |-  F/_ x F
43a1i 9 . . 3  |-  ( T. 
->  F/_ x F )
5 nfov.3 . . . 4  |-  F/_ x B
65a1i 9 . . 3  |-  ( T. 
->  F/_ x B )
72, 4, 6nfovd 5800 . 2  |-  ( T. 
->  F/_ x ( A F B ) )
87mptru 1340 1  |-  F/_ x
( A F B )
Colors of variables: wff set class
Syntax hints:   T. wtru 1332   F/_wnfc 2268  (class class class)co 5774
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 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2121
This theorem depends on definitions:  df-bi 116  df-3an 964  df-tru 1334  df-nf 1437  df-sb 1736  df-clab 2126  df-cleq 2132  df-clel 2135  df-nfc 2270  df-rex 2422  df-v 2688  df-un 3075  df-sn 3533  df-pr 3534  df-op 3536  df-uni 3737  df-br 3930  df-iota 5088  df-fv 5131  df-ov 5777
This theorem is referenced by:  csbov123g  5809  ovmpos  5894  ov2gf  5895  ovmpodxf  5896  ovmpodv2  5904  ovi3  5907  nfof  5987  offval2  5997  caucvgprprlemaddq  7516  nfseq  10228  fsumadd  11175  mertenslem2  11305  oddpwdclemdvds  11848  oddpwdclemndvds  11849  cnmpt2t  12462  cnmptcom  12467  fsumcncntop  12725
  Copyright terms: Public domain W3C validator