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Related theorems Unicode version |
| Description: Any class is a subclass of the universal class. |
| Ref | Expression |
|---|---|
| ssv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elisset 1817 |
. 2
| |
| 2 | 1 | ssriv 2069 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: inv1 2299 unv 2300 vss 2307 pssv 2310 disj2 2316 pwv 2502 trv 2692 intabs 2733 dmv 3327 dmresi 3399 resid 3400 ssrnres 3481 cocnvcnv1 3505 fnf 3628 oprabss 4006 df1st2 4126 df2nd2 4127 fiint 4559 fiintOLD 4560 0vfval 8225 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-12 968 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 981 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 df-v 1812 df-in 2051 df-ss 2053 |