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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 1813 |
. 2
| |
| 2 | 1 | ssriv 2065 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: inv1 2295 unv 2296 vss 2303 pssv 2306 disj2 2312 pwv 2497 trv 2687 intabs 2728 dmv 3322 dmresi 3391 resid 3392 ssrnres 3473 cocnvcnv1 3497 fnf 3620 oprabss 3997 df1st2 4116 df2nd2 4117 fiint 4540 0vfval 8177 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-12 966 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 979 df-sb 1170 df-clab 1462 df-cleq 1467 df-clel 1470 df-v 1808 df-in 2047 df-ss 2049 |