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

Definition df-q 11212
Description: Define the set of rational numbers. Based on definition of rationals in [Apostol] p. 22. See elq 11213 for the relation "is rational." (Contributed by NM, 8-Jan-2002.)
Assertion
Ref Expression
df-q

Detailed syntax breakdown of Definition df-q
StepHypRef Expression
1 cq 11211 . 2
2 cdiv 10231 . . 3
3 cz 10889 . . . 4
4 cn 10561 . . . 4
53, 4cxp 5002 . . 3
62, 5cima 5007 . 2
71, 6wceq 1395 1
Colors of variables: wff setvar class
This definition is referenced by:  elq  11213
  Copyright terms: Public domain W3C validator