Users' Mathboxes Mathbox for BJ < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  bj-genan Structured version   Visualization version   Unicode version

Theorem bj-genan 32593
Description: Generalization rule on a conjunction. Forward inference associated with 19.26 1798. (Contributed by BJ, 7-Jul-2021.)
Hypothesis
Ref Expression
bj-genr.1  |-  ( ph  /\ 
ps )
Assertion
Ref Expression
bj-genan  |-  ( A. x ph  /\  A. x ps )

Proof of Theorem bj-genan
StepHypRef Expression
1 bj-genr.1 . . . 4  |-  ( ph  /\ 
ps )
21simpli 474 . . 3  |-  ph
32ax-gen 1722 . 2  |-  A. x ph
41simpri 478 . . 3  |-  ps
54ax-gen 1722 . 2  |-  A. x ps
63, 5pm3.2i 471 1  |-  ( A. x ph  /\  A. x ps )
Colors of variables: wff setvar class
Syntax hints:    /\ wa 384   A.wal 1481
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722
This theorem depends on definitions:  df-bi 197  df-an 386
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator