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Theorem nncni 9153
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 9152 . 2  |-  A  e.  RR
32recni 8191 1  |-  A  e.  CC
Colors of variables: wff set class
Syntax hints:    e. wcel 2202   CCcc 8030   NNcn 9143
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-ext 2213  ax-sep 4207  ax-cnex 8123  ax-resscn 8124  ax-1re 8126  ax-addrcl 8129
This theorem depends on definitions:  df-bi 117  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ral 2515  df-v 2804  df-in 3206  df-ss 3213  df-int 3929  df-inn 9144
This theorem is referenced by:  9p1e10  9613  numnncl2  9633  dec10p  9653  3dec  10977  4bc2eq6  11037  ef01bndlem  12335  3dvds  12443  pockthi  12949  dec5nprm  13005  dec2nprm  13006  modxai  13007  modxp1i  13009  modsubi  13010
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