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Theorem bj-nffal 31775
Description: The false constant has no free variables. (Contributed by BJ, 6-May-2019.)
Assertion
Ref Expression
bj-nffal ℲℲ𝑥

Proof of Theorem bj-nffal
StepHypRef Expression
1 fal 1482 . 2 ¬ ⊥
21bj-nfnth 31774 1 ℲℲ𝑥
Colors of variables: wff setvar class
Syntax hints:  wfal 1480  ℲℲwnff 31764
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713
This theorem depends on definitions:  df-bi 196  df-or 384  df-tru 1478  df-fal 1481  df-ex 1696  df-bj-nf 31765
This theorem is referenced by: (None)
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