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Mirrors > Home > ILE Home > Th. List > Mathboxes > df-bdc | Unicode version |
Description: Define a bounded class as one such that membership in this class is a bounded formula. (Contributed by BJ, 3-Oct-2019.) |
Ref | Expression |
---|---|
df-bdc | BOUNDED BOUNDED |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA | . . 3 | |
2 | 1 | wbdc 13583 | . 2 BOUNDED |
3 | vx | . . . . . 6 | |
4 | 3 | cv 1341 | . . . . 5 |
5 | 4, 1 | wcel 2135 | . . . 4 |
6 | 5 | wbd 13555 | . . 3 BOUNDED |
7 | 6, 3 | wal 1340 | . 2 BOUNDED |
8 | 2, 7 | wb 104 | 1 BOUNDED BOUNDED |
Colors of variables: wff set class |
This definition is referenced by: bdceq 13585 bdel 13588 bdelir 13590 |
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