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| Mirrors > Home > ILE Home > Th. List > Mathboxes > ax-bdeq | Unicode version | ||
| Description: An atomic formula is bounded (equality predicate). (Contributed by BJ, 3-Oct-2019.) |
| Ref | Expression |
|---|---|
| ax-bdeq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vx |
. . 3
| |
| 2 | vy |
. . 3
| |
| 3 | 1, 2 | weq 1432 |
. 2
|
| 4 | 3 | wbd 10603 |
1
|
| Colors of variables: wff set class |
| This axiom is referenced by: bdth 10622 bdcdeq 10630 bdne 10644 bdreu 10646 bdcsn 10661 bj-zfpair2 10701 |
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