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Definition df-nq0 6523
Description: Define class of non-negative 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
StepHypRef Expression
1 cnq0 6385 . 2 class Q0
2 com 4313 . . . 4 class ω
3 cnpi 6370 . . . 4 class N
42, 3cxp 4343 . . 3 class (ω × N)
5 ceq0 6384 . . 3 class ~Q0
64, 5cqs 6105 . 2 class ((ω × N) / ~Q0 )
71, 6wceq 1243 1 wff Q0 = ((ω × N) / ~Q0 )
Colors of variables: wff set class
This definition is referenced by:  dfmq0qs  6527  dfplq0qs  6528  nq0ex  6538  nqnq0  6539  nq0nn  6540  addclnq0  6549  mulclnq0  6550  distrnq0  6557  mulcomnq0  6558  addassnq0  6560  prarloclemcalc  6600
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