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Definition df-1p 9288
Description: Define the positive real constant 1. 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. Definition of [Gleason] p. 122. (Contributed by NM, 13-Mar-1996.) (New usage is discouraged.)
Assertion
Ref Expression
df-1p

Detailed syntax breakdown of Definition df-1p
StepHypRef Expression
1 c1p 9164 . 2
2 vx . . . . 5
32cv 1369 . . . 4
4 c1q 9157 . . . 4
5 cltq 9162 . . . 4
63, 4, 5wbr 4409 . . 3
76, 2cab 2439 . 2
81, 7wceq 1370 1
Colors of variables: wff setvar class
This definition is referenced by:  1pr  9321  1idpr  9335  reclem3pr  9355  reclem4pr  9356
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