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Theorem nn0sscn 9374
Description: Nonnegative integers are a subset of the complex numbers.) (Contributed by NM, 9-May-2004.)
Assertion
Ref Expression
nn0sscn  |-  NN0  C_  CC

Proof of Theorem nn0sscn
StepHypRef Expression
1 nn0ssre 9373 . 2  |-  NN0  C_  RR
2 ax-resscn 8091 . 2  |-  RR  C_  CC
31, 2sstri 3233 1  |-  NN0  C_  CC
Colors of variables: wff set class
Syntax hints:    C_ wss 3197   CCcc 7997   RRcr 7998   NN0cn0 9369
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 8090  ax-resscn 8091  ax-1re 8093  ax-addrcl 8096  ax-rnegex 8108
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-rex 2514  df-v 2801  df-un 3201  df-in 3203  df-ss 3210  df-sn 3672  df-int 3924  df-inn 9111  df-n0 9370
This theorem is referenced by:  nn0cn  9379  nn0expcl  10775  fsumnn0cl  11914  fprodnn0cl  12123  eulerthlemrprm  12751  eulerthlema  12752
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