Colors of
variables: wff set class |
Syntax hints:
↔ wb 105 ∨ wo 708
= wceq 1353 ∈
wcel 2146 ∪ cun 3125 |
This theorem was proved from axioms:
ax-mp 5 ax-1 6 ax-2 7
ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709
ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-ext 2157 |
This theorem depends on definitions:
df-bi 117 df-tru 1356 df-nf 1459 df-sb 1761 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-v 2737 df-un 3131 |
This theorem is referenced by: unidm
3276 uncom
3277 unass
3290 undi
3381 unab
3400 un0
3454 |