Definition df-nq0 7638

Description: Define class of nonnegative fractions. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. (Contributed by Jim Kingdon, 2-Nov-2019.)

Assertion

Ref	Expression
df-nq0	⊢ Q0 = ((ω × N) / ~Q0 )

Detailed syntax breakdown of Definition df-nq0

Step	Hyp	Ref	Expression
1		cnq0 7500	. 2 class Q0
2		com 4686	. . . 4 class ω
3		cnpi 7485	. . . 4 class N
4	2, 3	cxp 4721	. . 3 class (ω × N)
5		ceq0 7499	. . 3 class ~Q0
6	4, 5	cqs 6696	. 2 class ((ω × N) / ~Q0 )
7	1, 6	wceq 1395	1 wff Q0 = ((ω × N) / ~Q0 )

This definition is referenced by:  dfmq0qs  7642  dfplq0qs  7643  nq0ex  7653  nqnq0  7654  nq0nn  7655  addclnq0  7664  mulclnq0  7665  distrnq0  7672  mulcomnq0  7673  addassnq0  7675  prarloclemcalc  7715