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Axiom ax-bdn 9272
Description: The negation of a bounded formula is bounded. (Contributed by BJ, 25-Sep-2019.)
Hypothesis
Ref Expression
bdn.1 BOUNDED φ
Assertion
Ref Expression
ax-bdn BOUNDED ¬ φ

Detailed syntax breakdown of Axiom ax-bdn
StepHypRef Expression
1 wph . . 3 wff φ
21wn 3 . 2 wff ¬ φ
32wbd 9267 1 wff BOUNDED ¬ φ
Colors of variables: wff set class
This axiom is referenced by:  bdstab  9282  bddc  9283  bdfal  9288  bdnthALT  9290  bdxor  9291  bdne  9308  bdnel  9309  bdcdif  9316  bj-nalset  9350  bj-nnelirr  9413
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