Colors of
variables: wff
setvar class |
Syntax hints: ¬ wn 3 ∃wrex 3070
∃!wreu 3350 ∅c0 4283 |
This theorem was proved from axioms:
ax-mp 5 ax-1 6 ax-2 7
ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914
ax-6 1972 ax-7 2012 ax-8 2109
ax-9 2117 ax-ext 2704 |
This theorem depends on definitions:
df-bi 206 df-an 398
df-tru 1545 df-fal 1555 df-ex 1783 df-sb 2069 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-ral 3062 df-rex 3071 df-rmo 3352 df-reu 3353 df-dif 3914 df-nul 4284 |
This theorem is referenced by: join0
18299 meet0
18300 |