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Theorem allt 24912
Description: For all sets,  T. is true. (Contributed by Anthony Hart, 13-Sep-2011.)
Assertion
Ref Expression
allt  |-  A. x  T.

Proof of Theorem allt
StepHypRef Expression
1 tru 1312 . 2  |-  T.
21ax-gen 1536 1  |-  A. x  T.
Colors of variables: wff set class
Syntax hints:    T. wtru 1307   A.wal 1530
This theorem is referenced by:  extt  24915
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1536
This theorem depends on definitions:  df-bi 177  df-tru 1310
  Copyright terms: Public domain W3C validator