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Theorem nn0sscn 9466
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 9465 . 2  |-  NN0  C_  RR
2 ax-resscn 8184 . 2  |-  RR  C_  CC
31, 2sstri 3237 1  |-  NN0  C_  CC
Colors of variables: wff set class
Syntax hints:    C_ wss 3201   CCcc 8090   RRcr 8091   NN0cn0 9461
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2213  ax-sep 4212  ax-cnex 8183  ax-resscn 8184  ax-1re 8186  ax-addrcl 8189  ax-rnegex 8201
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ral 2516  df-rex 2517  df-v 2805  df-un 3205  df-in 3207  df-ss 3214  df-sn 3679  df-int 3934  df-inn 9203  df-n0 9462
This theorem is referenced by:  nn0cn  9471  nn0expcl  10878  fsumnn0cl  12044  fprodnn0cl  12253  eulerthlemrprm  12881  eulerthlema  12882
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