Colors of
variables: wff set class |
Syntax hints:
↔ wb 105 = wceq 1353
⊆ wss 3131 |
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-5 1447 ax-7 1448
ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-11 1506 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions:
df-bi 117 df-nf 1461 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-in 3137 df-ss 3144 |
This theorem is referenced by: sseqtri
3191 sseqtrdi
3205 abss
3226 ssrab
3235 ssintrab
3869 iunpwss
3980 iotass
5197 dffun2
5228 ssimaex
5579 pw1fin
6912 pw1dc0el
6913 ss1o0el1o
6914 isstructim
12478 isstructr
12479 issubm
12868 grpissubg
13059 bj-ssom
14727 ss1oel2o
14782 |