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Theorem bj-peano2 15585
Description: Constructive proof of peano2 4631. Temporary note: another possibility is to simply replace sucexg 4534 with bj-sucexg 15568 in the proof of peano2 4631. (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 15580 . 2  |- Ind  om
2 bj-indsuc 15574 . 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 2167   suc csuc 4400   omcom 4626  Ind wind 15572
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 615  ax-in2 616  ax-io 710  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-10 1519  ax-11 1520  ax-i12 1521  ax-bndl 1523  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-13 2169  ax-14 2170  ax-ext 2178  ax-nul 4159  ax-pr 4242  ax-un 4468  ax-bd0 15459  ax-bdor 15462  ax-bdex 15465  ax-bdeq 15466  ax-bdel 15467  ax-bdsb 15468  ax-bdsep 15530
This theorem depends on definitions:  df-bi 117  df-tru 1367  df-nf 1475  df-sb 1777  df-clab 2183  df-cleq 2189  df-clel 2192  df-nfc 2328  df-ral 2480  df-rex 2481  df-rab 2484  df-v 2765  df-dif 3159  df-un 3161  df-nul 3451  df-sn 3628  df-pr 3629  df-uni 3840  df-int 3875  df-suc 4406  df-iom 4627  df-bdc 15487  df-bj-ind 15573
This theorem is referenced by:  bj-nn0suc  15610  bj-nn0sucALT  15624
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