MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  df-n0 Unicode version

Definition df-n0 10580
Description: Define the set of nonnegative integers. (Contributed by Raph Levien, 10-Dec-2002.)
Assertion
Ref Expression
df-n0

Detailed syntax breakdown of Definition df-n0
StepHypRef Expression
1 cn0 10579 . 2
2 cn 10322 . . 3
3 cc0 9282 . . . 4
43csn 3877 . . 3
52, 4cun 3326 . 2
61, 5wceq 1369 1
Colors of variables: wff setvar class
This definition is referenced by:  elnn0  10581  nnssnn0  10582  nn0ssre  10583  nn0ex  10585  dfn2  10592  nn0addcl  10615  nn0mulcl  10616  nn0ssz  10667
  Copyright terms: Public domain W3C validator