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Theorem peano2cn 8314
Description: A theorem for complex numbers analogous the second Peano postulate peano2 4693. (Contributed by NM, 17-Aug-2005.)
Assertion
Ref Expression
peano2cn  |-  ( A  e.  CC  ->  ( A  +  1 )  e.  CC )

Proof of Theorem peano2cn
StepHypRef Expression
1 ax-1cn 8125 . 2  |-  1  e.  CC
2 addcl 8157 . 2  |-  ( ( A  e.  CC  /\  1  e.  CC )  ->  ( A  +  1 )  e.  CC )
31, 2mpan2 425 1  |-  ( A  e.  CC  ->  ( A  +  1 )  e.  CC )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2202  (class class class)co 6018   CCcc 8030   1c1 8033    + caddc 8035
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia3 108  ax-1cn 8125  ax-addcl 8128
This theorem is referenced by:  xp1d2m1eqxm1d2  9397  nneo  9583  zeo  9585  zeo2  9586  zesq  10921  facndiv  11002  faclbnd  11004  faclbnd6  11007  bcxmas  12068  trireciplem  12079  odd2np1  12452  abssinper  15589  lgseisenlem1  15818  lgsquadlem1  15825
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