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Theorem allt 31404
Description: For all sets, is true. (Contributed by Anthony Hart, 13-Sep-2011.)
Assertion
Ref Expression
allt 𝑥

Proof of Theorem allt
StepHypRef Expression
1 tru 1478 . 2
21ax-gen 1700 1 𝑥
Colors of variables: wff setvar class
Syntax hints:  wal 1472  wtru 1475
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1700
This theorem depends on definitions:  df-bi 195  df-tru 1477
This theorem is referenced by:  extt  31407
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