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Definition df-0nq0 7388
Description: Define nonnegative fraction constant 0. 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, 5-Nov-2019.)
Assertion
Ref Expression
df-0nq0 0Q0 = [⟨∅, 1o⟩] ~Q0

Detailed syntax breakdown of Definition df-0nq0
StepHypRef Expression
1 c0q0 7250 . 2 class 0Q0
2 c0 3414 . . . 4 class
3 c1o 6388 . . . 4 class 1o
42, 3cop 3586 . . 3 class ⟨∅, 1o
5 ceq0 7248 . . 3 class ~Q0
64, 5cec 6511 . 2 class [⟨∅, 1o⟩] ~Q0
71, 6wceq 1348 1 wff 0Q0 = [⟨∅, 1o⟩] ~Q0
Colors of variables: wff set class
This definition is referenced by:  nq0m0r  7418  nq0a0  7419  prarloclem5  7462
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