MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  ax13v Unicode version

Theorem ax13v 2000
Description: A weaker version of ax-13 1999 with distinct variable restrictions on pairs x, and , . In order to show that this weakening is adequate, this should be the only theorem referencing ax-13 1999 directly. (Contributed by NM, 30-Jun-2016.)
Ref Expression
Distinct variable groups:   ,   ,

Proof of Theorem ax13v
StepHypRef Expression
1 ax-13 1999 1
Colors of variables: wff setvar class
Syntax hints:  -.wn 3  ->wi 4  A.wal 1393
This theorem is referenced by:  axc9lem1  2001
This theorem was proved from axioms:  ax-13 1999
  Copyright terms: Public domain W3C validator