Definition df-1q 5043

Description: Define positive fraction constant 1. This is a "temporary" set used in the construction of complex numbers df-c 5240, and is intended to be used only by the construction. From Proposition 9-2.2 of [Gleason] p. 117.

Assertion

Ref	Expression
df-1q	|- 1Q = [<.1o, 1o>.] ~Q

Detailed syntax breakdown of Definition df-1q

Step	Hyp	Ref	Expression
1		c1q 4980	. 2 class 1Q
2		c1o 4128	. . . 4 class 1o
3	2, 2	cop 2411	. . 3 class <.1o, 1o>.
4		ceq 4978	. . 3 class ~Q
5	3, 4	cec 4259	. 2 class [<.1o, 1o>.] ~Q
6	1, 5	wceq 956	1 wff 1Q = [<.1o, 1o>.] ~Q

This definition is referenced by:  1q 5057  1qec 5068  mulidpq 5069  1lt2pq 5078  prlem934a 5137

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