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Definition df-plq 9313
Description: Define addition on positive fractions. This is a "temporary" set used in the construction of complex numbers df-c 9519, and is intended to be used only by the construction. From Proposition 9-2.3 of [Gleason] p. 117. (Contributed by NM, 24-Aug-1995.) (New usage is discouraged.)
Assertion
Ref Expression
df-plq

Detailed syntax breakdown of Definition df-plq
StepHypRef Expression
1 cplq 9254 . 2
2 cerq 9253 . . . 4
3 cplpq 9247 . . . 4
42, 3ccom 5008 . . 3
5 cnq 9251 . . . 4
65, 5cxp 5002 . . 3
74, 6cres 5006 . 2
81, 7wceq 1395 1
Colors of variables: wff setvar class
This definition is referenced by:  addpqnq  9337  addnqf  9347
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