| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Axiom of Regularity expressed more compactly. |
| Ref | Expression |
|---|---|
| axreg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-reg 5972 |
. 2
| |
| 2 | 1 | 19.23bi 1730 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: zfregcl 5974 axregndlem2 6550 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-4 1637 ax-reg 5972 |
| This theorem depends on definitions: df-bi 232 df-ex 1645 |