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Definition df-1nqqs 7127
Description: Define positive fraction constant 1. This is a "temporary" set used in the construction of complex numbers, and is intended to be used only by the construction. From Proposition 9-2.2 of [Gleason] p. 117. (Contributed by NM, 29-Oct-1995.)
Assertion
Ref Expression
df-1nqqs 1Q = [⟨1o, 1o⟩] ~Q

Detailed syntax breakdown of Definition df-1nqqs
StepHypRef Expression
1 c1q 7057 . 2 class 1Q
2 c1o 6274 . . . 4 class 1o
32, 2cop 3500 . . 3 class ⟨1o, 1o
4 ceq 7055 . . 3 class ~Q
53, 4cec 6395 . 2 class [⟨1o, 1o⟩] ~Q
61, 5wceq 1316 1 wff 1Q = [⟨1o, 1o⟩] ~Q
Colors of variables: wff set class
This definition is referenced by:  1nq  7142  1qec  7164  mulidnq  7165  1lt2nq  7182  addpinq1  7240  caucvgprlemm  7444  caucvgprprlemmu  7471  caucvgsr  7578  pitonnlem1  7621  nntopi  7670
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