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Definition df-1 9521
Description: Define the complex number 1. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)
Assertion
Ref Expression
df-1

Detailed syntax breakdown of Definition df-1
StepHypRef Expression
1 c1 9514 . 2
2 c1r 9266 . . 3
3 c0r 9265 . . 3
42, 3cop 4035 . 2
51, 4wceq 1395 1
Colors of variables: wff setvar class
This definition is referenced by:  ax1cn  9547  axi2m1  9557  ax1ne0  9558  ax1rid  9559  axrrecex  9561
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