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Definition df-1nqqs 7152
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 7082 . 2  class  1Q
2 c1o 6299 . . . 4  class  1o
32, 2cop 3525 . . 3  class  <. 1o ,  1o >.
4 ceq 7080 . . 3  class  ~Q
53, 4cec 6420 . 2  class  [ <. 1o ,  1o >. ]  ~Q
61, 5wceq 1331 1  wff  1Q  =  [ <. 1o ,  1o >. ]  ~Q
Colors of variables: wff set class
This definition is referenced by:  1nq  7167  1qec  7189  mulidnq  7190  1lt2nq  7207  addpinq1  7265  caucvgprlemm  7469  caucvgprprlemmu  7496  caucvgsr  7603  pitonnlem1  7646  nntopi  7695
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