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Definition df-c 7834
Description: Define the set of complex numbers. (Contributed by NM, 22-Feb-1996.)
Assertion
Ref Expression
df-c ℂ = (R × R)

Detailed syntax breakdown of Definition df-c
StepHypRef Expression
1 cc 7826 . 2 class
2 cnr 7313 . . 3 class R
32, 2cxp 4638 . 2 class (R × R)
41, 3wceq 1363 1 wff ℂ = (R × R)
Colors of variables: wff set class
This definition is referenced by:  opelcn  7842  0ncn  7847  cnm  7848  addcnsr  7850  mulcnsr  7851  dfcnqs  7857  addvalex  7860  axcnex  7875  axresscn  7876  axaddcl  7880  axmulcl  7882  axaddcom  7886  ax0id  7894  axcnre  7897
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