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Theorem bj-peano2 16882
Description: Constructive proof of peano2 4740. Temporary note: another possibility is to simply replace sucexg 4643 with bj-sucexg 16865 in the proof of peano2 4740. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.)
Assertion
Ref Expression
bj-peano2  |-  ( A  e.  om  ->  suc  A  e.  om )

Proof of Theorem bj-peano2
StepHypRef Expression
1 bj-omind 16877 . 2  |- Ind  om
2 bj-indsuc 16871 . 2  |-  (Ind  om  ->  ( A  e.  om  ->  suc  A  e.  om ) )
31, 2ax-mp 5 1  |-  ( A  e.  om  ->  suc  A  e.  om )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2209   suc csuc 4508   omcom 4735  Ind wind 16869
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 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-nul 4257  ax-pr 4344  ax-un 4576  ax-bd0 16756  ax-bdor 16759  ax-bdex 16762  ax-bdeq 16763  ax-bdel 16764  ax-bdsep 16827
This theorem depends on definitions:  df-bi 117  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-rab 2537  df-v 2823  df-dif 3222  df-un 3224  df-nul 3521  df-sn 3714  df-pr 3715  df-uni 3934  df-int 3969  df-suc 4514  df-iom 4736  df-bj-ind 16870
This theorem is referenced by:  bj-nn0suc  16907  bj-nn0sucALT  16921
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