ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  ralimi2 Unicode version

Theorem ralimi2 2381
Description: Inference quantifying both antecedent and consequent. (Contributed by NM, 22-Feb-2004.)
Hypothesis
Ref Expression
ralimi2.1  |-  ( ( x  e.  A  ->  ph )  ->  ( x  e.  B  ->  ps ) )
Assertion
Ref Expression
ralimi2  |-  ( A. x  e.  A  ph  ->  A. x  e.  B  ps )

Proof of Theorem ralimi2
StepHypRef Expression
1 ralimi2.1 . . 3  |-  ( ( x  e.  A  ->  ph )  ->  ( x  e.  B  ->  ps ) )
21alimi 1344 . 2  |-  ( A. x ( x  e.  A  ->  ph )  ->  A. x ( x  e.  B  ->  ps )
)
3 df-ral 2311 . 2  |-  ( A. x  e.  A  ph  <->  A. x
( x  e.  A  ->  ph ) )
4 df-ral 2311 . 2  |-  ( A. x  e.  B  ps  <->  A. x ( x  e.  B  ->  ps )
)
52, 3, 43imtr4i 190 1  |-  ( A. x  e.  A  ph  ->  A. x  e.  B  ps )
Colors of variables: wff set class
Syntax hints:    -> wi 4   A.wal 1241    e. wcel 1393   A.wral 2306
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-5 1336  ax-gen 1338
This theorem depends on definitions:  df-bi 110  df-ral 2311
This theorem is referenced by:  ralimia  2382  ralcom3  2477  bj-nntrans  10076  bj-findis  10104
  Copyright terms: Public domain W3C validator