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Mirrors > Home > ILE Home > Th. List > Mathboxes > ax-bdn | GIF version |
Description: The negation of a bounded formula is bounded. (Contributed by BJ, 25-Sep-2019.) |
Ref | Expression |
---|---|
bdn.1 | ⊢ BOUNDED 𝜑 |
Ref | Expression |
---|---|
ax-bdn | ⊢ BOUNDED ¬ 𝜑 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wph | . . 3 wff 𝜑 | |
2 | 1 | wn 3 | . 2 wff ¬ 𝜑 |
3 | 2 | wbd 13704 | 1 wff BOUNDED ¬ 𝜑 |
Colors of variables: wff set class |
This axiom is referenced by: bdstab 13719 bddc 13720 bdfal 13725 bdnthALT 13727 bdxor 13728 bdne 13745 bdnel 13746 bdcdif 13753 bj-nalset 13787 bj-nnelirr 13845 |
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