Colors of
variables: wff
setvar class |
Syntax hints:
∧ wa 396 = wceq 1541
∀wral 3061 ∃wrex 3070 ⊆ wss 3948
∪ cuni 4908
Rel wrel 5681 Refcref 23005 |
This theorem was proved from axioms:
ax-mp 5 ax-1 6 ax-2 7
ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913
ax-6 1971 ax-7 2011 ax-8 2108
ax-9 2116 ax-ext 2703 |
This theorem depends on definitions:
df-bi 206 df-an 397
df-tru 1544 df-ex 1782 df-sb 2068 df-clab 2710 df-cleq 2724 df-clel 2810 df-v 3476 df-in 3955 df-ss 3965 df-opab 5211 df-xp 5682 df-rel 5683 df-ref 23008 |
This theorem is referenced by: isref
23012 refbas
23013 refssex
23014 reftr
23017 refun0
23018 locfinref
32816 refssfne
35238 |