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Axiom ax-bdn 16826
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 16821 1 wff BOUNDED -. ph
Colors of variables:    wff set class
This axiom is used by:  bdstab  16836  bddc  16837  bdfal  16842  bdnthALT  16844  bdxor  16845  bdne  16862  bdnel  16863  bdcdif  16870  bj-nalset  16904  bj-nnelirr  16962
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