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

Theorem raleqi 2633
Description: Equality inference for restricted universal qualifier. (Contributed by Paul Chapman, 22-Jun-2011.)
Hypothesis
Ref Expression
raleq1i.1  |-  A  =  B
Assertion
Ref Expression
raleqi  |-  ( A. x  e.  A  ph  <->  A. x  e.  B  ph )
Distinct variable groups:    x, A    x, B
Allowed substitution hint:    ph( x)

Proof of Theorem raleqi
StepHypRef Expression
1 raleq1i.1 . 2  |-  A  =  B
2 raleq 2629 . 2  |-  ( A  =  B  ->  ( A. x  e.  A  ph  <->  A. x  e.  B  ph ) )
31, 2ax-mp 5 1  |-  ( A. x  e.  A  ph  <->  A. x  e.  B  ph )
Colors of variables: wff set class
Syntax hints:    <-> wb 104    = wceq 1332   A.wral 2417
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-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122
This theorem depends on definitions:  df-bi 116  df-tru 1335  df-nf 1438  df-sb 1737  df-cleq 2133  df-clel 2136  df-nfc 2271  df-ral 2422
This theorem is referenced by:  ralrab2  2853  ralprg  3582  raltpg  3584  omsinds  4543  ralxp  4690  ralrnmpo  5893  fzprval  9893  fztpval  9894  seq3f1olemp  10306  zsumdc  11185  zproddc  11380  infssuzex  11678  2prm  11844  nninfsellemdc  13381  nninfsellemsuc  13383
  Copyright terms: Public domain W3C validator