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Theorem extt 32740
Description: There exists a set that holds as true. (Contributed by Anthony Hart, 13-Sep-2011.)
Assertion
Ref Expression
extt 𝑥

Proof of Theorem extt
StepHypRef Expression
1 allt 32737 . 2 𝑥
2 19.2 2061 . 2 (∀𝑥⊤ → ∃𝑥⊤)
31, 2ax-mp 5 1 𝑥
Colors of variables: wff setvar class
Syntax hints:  wal 1629  wtru 1632  wex 1852
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1870  ax-4 1885  ax-6 2057
This theorem depends on definitions:  df-bi 197  df-tru 1634  df-ex 1853
This theorem is referenced by:  mont  32745
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