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Theorem nncni 9158
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 9157 . 2 𝐴 ∈ ℝ
32recni 8196 1 𝐴 ∈ ℂ
Colors of variables: wff set class
Syntax hints:  wcel 2201  cc 8035  cn 9148
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 2212  ax-sep 4208  ax-cnex 8128  ax-resscn 8129  ax-1re 8131  ax-addrcl 8134
This theorem depends on definitions:  df-bi 117  df-tru 1400  df-nf 1509  df-sb 1810  df-clab 2217  df-cleq 2223  df-clel 2226  df-nfc 2362  df-ral 2514  df-v 2803  df-in 3205  df-ss 3212  df-int 3930  df-inn 9149
This theorem is referenced by:  9p1e10  9618  numnncl2  9638  dec10p  9658  3dec  10982  4bc2eq6  11042  ef01bndlem  12340  3dvds  12448  pockthi  12954  dec5nprm  13010  dec2nprm  13011  modxai  13012  modxp1i  13014  modsubi  13015
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