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| Mirrors > Home > ILE Home > Th. List > Mathboxes > ax-bdn | Unicode version | ||
| Description: The negation of a bounded formula is bounded. (Contributed by BJ, 25-Sep-2019.) | 
| Ref | Expression | 
|---|---|
| bdn.1 | 
 | 
| Ref | Expression | 
|---|---|
| ax-bdn | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | wph | 
. . 3
 | |
| 2 | 1 | wn 3 | 
. 2
 | 
| 3 | 2 | wbd 15458 | 
1
 | 
| Colors of variables: wff set class | 
| This axiom is referenced by: bdstab 15473 bddc 15474 bdfal 15479 bdnthALT 15481 bdxor 15482 bdne 15499 bdnel 15500 bdcdif 15507 bj-nalset 15541 bj-nnelirr 15599 | 
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