Definition df-1nq 10332

Description: Define positive fraction constant 1. This is a "temporary" set used in the construction of complex numbers df-c 10537, 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.) (New usage is discouraged.)

Assertion

Ref	Expression
df-1nq	⊢ 1Q = ⟨1o, 1o⟩

Detailed syntax breakdown of Definition df-1nq

Step	Hyp	Ref	Expression
1		c1q 10269	. 2 class 1Q
2		c1o 8089	. . 3 class 1o
3	2, 2	cop 4567	. 2 class ⟨1o, 1o⟩
4	1, 3	wceq 1533	1 wff 1Q = ⟨1o, 1o⟩

This definition is referenced by:  1nq  10344  1nqenq  10378  mulidnq  10379  1lt2nq  10389  prlem934  10449