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Axiom ax-bdn 14429
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 14424 1 wff BOUNDED -. ph
Colors of variables: wff set class
This axiom is referenced by:  bdstab  14439  bddc  14440  bdfal  14445  bdnthALT  14447  bdxor  14448  bdne  14465  bdnel  14466  bdcdif  14473  bj-nalset  14507  bj-nnelirr  14565
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