| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Axiom of Regularity, reproved from conditionless ZFC axioms.. |
| Ref | Expression |
|---|---|
| zfcndreg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hbe1 1012 |
. 2
| |
| 2 | axregnd 4928 |
. 2
| |
| 3 | 1, 2 | 19.23ai 1060 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-15 1353 ax-ext 1452 ax-sep 2693 ax-pow 2732 ax-reg 4565 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-ral 1641 df-rex 1642 df-v 1803 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-nul 2271 df-pw 2392 df-sn 2402 df-pr 2403 |