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Definition df-nq0 6407
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 6271 . 2 class Q0
2 com 4256 . . . 4 class 𝜔
3 cnpi 6256 . . . 4 class N
42, 3cxp 4286 . . 3 class (𝜔 × N)
5 ceq0 6270 . . 3 class ~Q0
64, 5cqs 6041 . 2 class ((𝜔 × N) / ~Q0 )
71, 6wceq 1242 1 wff Q0 = ((𝜔 × N) / ~Q0 )
Colors of variables: wff set class
This definition is referenced by:  dfmq0qs  6411  dfplq0qs  6412  nq0ex  6422  nqnq0  6423  nq0nn  6424  addclnq0  6433  mulclnq0  6434  distrnq0  6441  mulcomnq0  6442  addassnq0  6444  prarloclemcalc  6484
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