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Theorem nncni 9046
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 9045 . 2  |-  A  e.  RR
32recni 8084 1  |-  A  e.  CC
Colors of variables: wff set class
Syntax hints:    e. wcel 2176   CCcc 7923   NNcn 9036
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 711  ax-5 1470  ax-7 1471  ax-gen 1472  ax-ie1 1516  ax-ie2 1517  ax-8 1527  ax-10 1528  ax-11 1529  ax-i12 1530  ax-bndl 1532  ax-4 1533  ax-17 1549  ax-i9 1553  ax-ial 1557  ax-i5r 1558  ax-ext 2187  ax-sep 4162  ax-cnex 8016  ax-resscn 8017  ax-1re 8019  ax-addrcl 8022
This theorem depends on definitions:  df-bi 117  df-tru 1376  df-nf 1484  df-sb 1786  df-clab 2192  df-cleq 2198  df-clel 2201  df-nfc 2337  df-ral 2489  df-v 2774  df-in 3172  df-ss 3179  df-int 3886  df-inn 9037
This theorem is referenced by:  9p1e10  9506  numnncl2  9526  dec10p  9546  3dec  10859  4bc2eq6  10919  ef01bndlem  12067  3dvds  12175  pockthi  12681  dec5nprm  12737  dec2nprm  12738  modxai  12739  modxp1i  12741  modsubi  12742
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