Definition df-0 11125

Description: Define the complex number 0. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)

Assertion

Ref	Expression
df-0	⊢ 0 = ⟨0R, 0R⟩

Detailed syntax breakdown of Definition df-0

Step	Hyp	Ref	Expression
1		cc0 11118	. 2 class 0
2		c0r 10869	. . 3 class 0R
3	2, 2	cop 4600	. 2 class ⟨0R, 0R⟩
4	1, 3	wceq 1570	1 wff 0 = ⟨0R, 0R⟩

This definition is used by:  axi2m1  11162  ax1ne0  11163  axrnegex  11165  axrrecex  11166  axpre-mulgt0  11171