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Theorem nncni 9293
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 9292 . 2  |-  A  e.  RR
32recni 8328 1  |-  A  e.  CC
Colors of variables: wff set class
Syntax hints:    e. wcel 2209   CCcc 8167   NNcn 9283
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 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-ext 2220  ax-sep 4244  ax-cnex 8260  ax-resscn 8261  ax-1re 8263  ax-addrcl 8266
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-v 2823  df-in 3226  df-ss 3233  df-int 3966  df-inn 9284
This theorem is referenced by:  9p1e10  9758  numnncl2  9778  dec10p  9798  3dec  11130  4bc2eq6  11191  ef01bndlem  12501  3dvds  12609  pockthi  13115  dec5nprm  13171  dec2nprm  13172  modxai  13173  modxp1i  13175  modsubi  13176  ballotfilem2  13206  ballotfilemfmpn  13212  ballotfilemth  13259
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