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Theorem alnof 32728
Description: For all sets, is not true. (Contributed by Anthony Hart, 13-Sep-2011.)
Assertion
Ref Expression
alnof 𝑥 ¬ ⊥

Proof of Theorem alnof
StepHypRef Expression
1 fal 1639 . 2 ¬ ⊥
21ax-gen 1871 1 𝑥 ¬ ⊥
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wal 1630  wfal 1637
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871
This theorem depends on definitions:  df-bi 197  df-tru 1635  df-fal 1638
This theorem is referenced by:  nalf  32729
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