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Theorem 2oex 8112
Description: 2o is a set. (Contributed by BJ, 6-Apr-2019.)
Assertion
Ref Expression
2oex 2o ∈ V

Proof of Theorem 2oex
StepHypRef Expression
1 df-2o 8103 . 2 2o = suc 1o
2 1oex 8110 . . 3 1o ∈ V
32sucex 7526 . 2 suc 1o ∈ V
41, 3eqeltri 2909 1 2o ∈ V
Colors of variables: wff setvar class
Syntax hints:  wcel 2114  Vcvv 3494  suc csuc 6193  1oc1o 8095  2oc2o 8096
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2793  ax-sep 5203  ax-nul 5210  ax-pr 5330  ax-un 7461
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1084  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-rab 3147  df-v 3496  df-sbc 3773  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-pss 3954  df-nul 4292  df-if 4468  df-pw 4541  df-sn 4568  df-pr 4570  df-tp 4572  df-op 4574  df-uni 4839  df-br 5067  df-opab 5129  df-tr 5173  df-eprel 5465  df-po 5474  df-so 5475  df-fr 5514  df-we 5516  df-ord 6194  df-on 6195  df-suc 6197  df-1o 8102  df-2o 8103
This theorem is referenced by:  fmlaomn0  32637  goaln0  32640  goalrlem  32643  goalr  32644  fmlasucdisj  32646  satffunlem1lem1  32649  satffunlem2lem1  32651  ex-sategoelel12  32674  clsk1indlem1  40444  clsk1independent  40445
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