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Theorem nncni 9247
Description: A positive integer is a complex number. (Contributed by NM, 18-Aug-1999.)
Hypothesis
Ref Expression
nnre.1  |-  A  e.  NN
Assertion
Ref Expression
nncni  |-  A  e.  CC

Proof of Theorem nncni
StepHypRef Expression
1 nnre.1 . . 3  |-  A  e.  NN
21nnrei 9246 . 2  |-  A  e.  RR
32recni 8286 1  |-  A  e.  CC
Colors of variables: wff set class
Syntax hints:    e. wcel 2203   CCcc 8125   NNcn 9237
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-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-ext 2214  ax-sep 4228  ax-cnex 8218  ax-resscn 8219  ax-1re 8221  ax-addrcl 8224
This theorem depends on definitions:  df-bi 117  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-v 2815  df-in 3217  df-ss 3224  df-int 3950  df-inn 9238
This theorem is referenced by:  9p1e10  9711  numnncl2  9731  dec10p  9751  3dec  11076  4bc2eq6  11137  ef01bndlem  12442  3dvds  12550  pockthi  13056  dec5nprm  13112  dec2nprm  13113  modxai  13114  modxp1i  13116  modsubi  13117  ballotfilem2  13142
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