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Theorem nncni 9128
Description: A positive integer is a complex number. (Contributed by NM, 18-Aug-1999.)
Hypothesis
Ref Expression
nnre.1 𝐴 ∈ ℕ
Assertion
Ref Expression
nncni 𝐴 ∈ ℂ

Proof of Theorem nncni
StepHypRef Expression
1 nnre.1 . . 3 𝐴 ∈ ℕ
21nnrei 9127 . 2 𝐴 ∈ ℝ
32recni 8166 1 𝐴 ∈ ℂ
Colors of variables: wff set class
Syntax hints:  wcel 2200  cc 8005  cn 9118
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 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-ext 2211  ax-sep 4202  ax-cnex 8098  ax-resscn 8099  ax-1re 8101  ax-addrcl 8104
This theorem depends on definitions:  df-bi 117  df-tru 1398  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-v 2801  df-in 3203  df-ss 3210  df-int 3924  df-inn 9119
This theorem is referenced by:  9p1e10  9588  numnncl2  9608  dec10p  9628  3dec  10944  4bc2eq6  11004  ef01bndlem  12275  3dvds  12383  pockthi  12889  dec5nprm  12945  dec2nprm  12946  modxai  12947  modxp1i  12949  modsubi  12950
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