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Theorem ssv 2084
Description: Any class is a subclass of the universal class.
Assertion
Ref Expression
ssv A V

Proof of Theorem ssv
StepHypRef Expression
1 elisset 1820 . 2 (x Ax V)
21ssriv 2072 1 A V
Colors of variables: wff set class
Syntax hints:  Vcvv 1814   wss 2050
This theorem is referenced by:  inv1 2303  unv 2304  vss 2311  pssv 2314  disj2 2320  pwv 2506  trv 2697  intabs 2738  dmv 3333  dmresi 3405  resid 3406  ssrnres 3487  cocnvcnv1 3511  fnf 3634  oprabss 4012  df1st2 4132  df2nd2 4133  fiint 4572  fiintOLD 4573  0vfval 8221  vxveqv 10467
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 964  ax-gen 965  ax-8 966  ax-10 968  ax-12 970  ax-17 973  ax-4 975  ax-5o 977  ax-6o 980  ax-9o 1125  ax-10o 1142  ax-16 1212  ax-11o 1220  ax-ext 1462
This theorem depends on definitions:  df-bi 147  df-an 225  df-ex 983  df-sb 1174  df-clab 1467  df-cleq 1472  df-clel 1475  df-v 1815  df-in 2054  df-ss 2056
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