ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  omelon GIF version

Theorem omelon 4730
Description: Omega is an ordinal number. (Contributed by NM, 10-May-1998.) (Revised by Mario Carneiro, 30-Jan-2013.)
Assertion
Ref Expression
omelon ω ∈ On

Proof of Theorem omelon
StepHypRef Expression
1 omex 4714 . 2 ω ∈ V
2 omelon2 4729 . 2 (ω ∈ V → ω ∈ On)
31, 2ax-mp 5 1 ω ∈ On
Colors of variables: wff set class
Syntax hints:  wcel 2203  Vcvv 2812  Oncon0 4483  ωcom 4711
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-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-sep 4227  ax-nul 4235  ax-pow 4286  ax-pr 4321  ax-un 4553  ax-iinf 4709
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ral 2525  df-rex 2526  df-v 2814  df-dif 3212  df-un 3214  df-in 3216  df-ss 3223  df-nul 3508  df-pw 3670  df-sn 3694  df-pr 3695  df-uni 3914  df-int 3949  df-tr 4208  df-iord 4486  df-on 4488  df-suc 4491  df-iom 4712
This theorem is referenced by:  nnon  4731  omp1eomlem  7384  enumctlemm  7404  ennnfonelemdc  13139  ctinfom  13168  2o01f  16755  isomninnlem  16801  iswomninnlem  16821  ismkvnnlem  16824
  Copyright terms: Public domain W3C validator