Definition df-c 10808

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 10835. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)

Assertion

Ref	Expression
df-c	⊢ ℂ = (R × R)

Detailed syntax breakdown of Definition df-c

Step	Hyp	Ref	Expression
1		cc 10800	. 2 class ℂ
2		cnr 10552	. . 3 class R
3	2, 2	cxp 5578	. 2 class (R × R)
4	1, 3	wceq 1539	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  10816  0ncn  10820  addcnsr  10822  mulcnsr  10823  dfcnqs  10829  axaddf  10832  axmulf  10833  axcnex  10834  axresscn  10835  axcnre  10851  wuncn  10857  bj-inftyexpitaudisj  35303