Definition df-c 5240

Description: Define the set of complex numbers. The 25 axioms for complex numbers start at axcnex 5267.

Assertion

Ref	Expression
df-c	|- CC = (R. X. R.)

Detailed syntax breakdown of Definition df-c

Step	Hyp	Ref	Expression
1		cc 5232	. 2 class CC
2		cnr 4993	. . 3 class R.
3	2, 2	cxp 3168	. 2 class (R. X. R.)
4	1, 3	wceq 956	1 wff CC = (R. X. R.)

This definition is referenced by:  opelcn 5248  0ncn 5251  addcnsr 5253  mulcnsr 5254  dfcnqs 5262  axaddopr 5265  axmulopr 5266  axcnex 5267  axresscn 5268  ax0id 5281  ax1id 5282  axcnre 5286

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