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Mirrors > Home > ILE Home > Th. List > Mathboxes > ax-bdex | Unicode version |
Description: A bounded existential quantification of a bounded formula is bounded. Note the disjoint variable condition on . (Contributed by BJ, 25-Sep-2019.) |
Ref | Expression |
---|---|
bdal.1 | BOUNDED |
Ref | Expression |
---|---|
ax-bdex | BOUNDED |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wph | . . 3 | |
2 | vx | . . 3 | |
3 | vy | . . . 4 | |
4 | 3 | cv 1347 | . . 3 |
5 | 1, 2, 4 | wrex 2449 | . 2 |
6 | 5 | wbd 13847 | 1 BOUNDED |
Colors of variables: wff set class |
This axiom is referenced by: bj-bdcel 13872 bdreu 13890 bdrmo 13891 bdcuni 13911 bdciun 13913 bj-axun2 13950 bj-nn0suc0 13985 |
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