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Definition df-nq 9218
Description: Define class of positive fractions. This is a "temporary" set used in the construction of complex numbers df-c 9425, and is intended to be used only by the construction. From Proposition 9-2.2 of [Gleason] p. 117. (Contributed by NM, 16-Aug-1995.) (New usage is discouraged.)
Assertion
Ref Expression
df-nq
Distinct variable group:   ,

Detailed syntax breakdown of Definition df-nq
StepHypRef Expression
1 cnq 9156 . 2
2 vx . . . . . . 7
32cv 1369 . . . . . 6
4 vy . . . . . . 7
54cv 1369 . . . . . 6
6 ceq 9155 . . . . . 6
73, 5, 6wbr 4409 . . . . 5
8 c2nd 6709 . . . . . . . 8
95, 8cfv 5537 . . . . . . 7
103, 8cfv 5537 . . . . . . 7
11 clti 9151 . . . . . . 7
129, 10, 11wbr 4409 . . . . . 6
1312wn 3 . . . . 5
147, 13wi 4 . . . 4
15 cnpi 9148 . . . . 5
1615, 15cxp 4955 . . . 4
1714, 4, 16wral 2800 . . 3
1817, 2, 16crab 2804 . 2
191, 18wceq 1370 1
Colors of variables: wff setvar class
This definition is referenced by:  nqex  9229  0nnq  9230  elpqn  9231  pinq  9233  nqereu  9235
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