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Definition df-1 9944
Description: Define the complex number 1. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)
Assertion
Ref Expression
df-1 |- 1 = <. 1R , 0R >.
Detailed syntax breakdown of Definition df-1
StepHypRef Expression
1 c1 9937 . 2 class 1
2 c1r 9689 . . 3 class 1R
3 c0r 9688 . . 3 class 0R
42, 3cop 4183 . 2 class <. 1R , 0R >.
51, 4wceq 1483 1 wff 1 = <. 1R , 0R >.
Colors of variables: wff setvar class
This definition is referenced by:  ax1cn  9970  axi2m1  9980  ax1ne0  9981  ax1rid  9982  axrrecex  9984
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