ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  nn0sscn GIF version

Theorem nn0sscn 9006
Description: Nonnegative integers are a subset of the complex numbers.) (Contributed by NM, 9-May-2004.)
Assertion
Ref Expression
nn0sscn 0 ⊆ ℂ

Proof of Theorem nn0sscn
StepHypRef Expression
1 nn0ssre 9005 . 2 0 ⊆ ℝ
2 ax-resscn 7736 . 2 ℝ ⊆ ℂ
31, 2sstri 3111 1 0 ⊆ ℂ
Colors of variables: wff set class
Syntax hints:  wss 3076  cc 7642  cr 7643  0cn0 9001
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122  ax-sep 4054  ax-cnex 7735  ax-resscn 7736  ax-1re 7738  ax-addrcl 7741  ax-rnegex 7753
This theorem depends on definitions:  df-bi 116  df-tru 1335  df-nf 1438  df-sb 1737  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-ral 2422  df-rex 2423  df-v 2691  df-un 3080  df-in 3082  df-ss 3089  df-sn 3538  df-int 3780  df-inn 8745  df-n0 9002
This theorem is referenced by:  nn0cn  9011  nn0expcl  10338  fsumnn0cl  11204
  Copyright terms: Public domain W3C validator