Definition df-0 7832

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 7825	. 2 class 0
2		c0r 7311	. . 3 class 0R
3	2, 2	cop 3607	. 2 class <. 0R , 0R >.
4	1, 3	wceq 1363	1 wff 0 = <. 0R , 0R >.

This definition is referenced by:  pitoregt0  7862  axi2m1  7888  ax0lt1  7889  ax0id  7891  axrnegex  7892  axprecex  7893  axpre-mulgt0  7900  axcaucvglemres  7912