Definition df-0 7781

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

Assertion

Ref	Expression
df-0	|- 0 = <. 0R , 0R >.

Detailed syntax breakdown of Definition df-0

Step	Hyp	Ref	Expression
1		cc0 7774	. 2 class 0
2		c0r 7260	. . 3 class 0R
3	2, 2	cop 3586	. 2 class <. 0R , 0R >.
4	1, 3	wceq 1348	1 wff 0 = <. 0R , 0R >.

This definition is referenced by:  pitoregt0  7811  axi2m1  7837  ax0lt1  7838  ax0id  7840  axrnegex  7841  axprecex  7842  axpre-mulgt0  7849  axcaucvglemres  7861