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Theorem sucon 4527
Description: The class of all ordinal numbers is its own successor. (Contributed by NM, 12-Sep-2003.)
Assertion
Ref Expression
sucon  |-  suc  On  =  On

Proof of Theorem sucon
StepHypRef Expression
1 onprc 4526 . 2  |-  -.  On  e.  _V
2 sucprc 4387 . 2  |-  ( -.  On  e.  _V  ->  suc 
On  =  On )
31, 2ax-mp 5 1  |-  suc  On  =  On
Colors of variables: wff set class
Syntax hints:   -. wn 3    = wceq 1342    e. wcel 2135   _Vcvv 2724   Oncon0 4338   suc csuc 4340
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1434  ax-7 1435  ax-gen 1436  ax-ie1 1480  ax-ie2 1481  ax-8 1491  ax-10 1492  ax-11 1493  ax-i12 1494  ax-bndl 1496  ax-4 1497  ax-17 1513  ax-i9 1517  ax-ial 1521  ax-i5r 1522  ax-ext 2146  ax-setind 4511
This theorem depends on definitions:  df-bi 116  df-3an 969  df-tru 1345  df-fal 1348  df-nf 1448  df-sb 1750  df-clab 2151  df-cleq 2157  df-clel 2160  df-nfc 2295  df-ne 2335  df-ral 2447  df-rex 2448  df-v 2726  df-dif 3116  df-un 3118  df-in 3120  df-ss 3127  df-nul 3408  df-sn 3579  df-uni 3787  df-tr 4078  df-iord 4341  df-on 4343  df-suc 4346
This theorem is referenced by: (None)
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