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Axiom ax-bdn 16713
Description: The negation of a bounded formula is bounded. (Contributed by BJ, 25-Sep-2019.)
Hypothesis
Ref Expression
bdn.1 |- BOUNDED ph
Assertion
Ref Expression
ax-bdn |- BOUNDED -. ph
Detailed syntax breakdown of Axiom ax-bdn
StepHypRef Expression
1 wph . . 3 wff ph
21wn 3 . 2 wff -. ph
32wbd 16708 1 wff BOUNDED -. ph
Colors of variables: wff set class
This axiom is referenced by:  bdstab  16723  bddc  16724  bdfal  16729  bdnthALT  16731  bdxor  16732  bdne  16749  bdnel  16750  bdcdif  16757  bj-nalset  16791  bj-nnelirr  16849
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