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Definition df-1nqqs 7060
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 6990 . 2 class 1Q
2 c1o 6236 . . . 4 class 1o
32, 2cop 3477 . . 3 class ⟨1o, 1o
4 ceq 6988 . . 3 class ~Q
53, 4cec 6357 . 2 class [⟨1o, 1o⟩] ~Q
61, 5wceq 1299 1 wff 1Q = [⟨1o, 1o⟩] ~Q
Colors of variables: wff set class
This definition is referenced by:  1nq  7075  1qec  7097  mulidnq  7098  1lt2nq  7115  addpinq1  7173  caucvgprlemm  7377  caucvgprprlemmu  7404  caucvgsr  7497  pitonnlem1  7532  nntopi  7579
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