Definition df-i 5262

Description: Define the complex number i (the imaginary unit).

Assertion

Ref	Expression
df-i	|- i = <.0R, 1R>.

Detailed syntax breakdown of Definition df-i

Step	Hyp	Ref	Expression
1		ci 5255	. 2 class i
2		c0r 5013	. . 3 class 0R
3		c1r 5014	. . 3 class 1R
4	2, 3	cop 2416	. 2 class <.0R, 1R>.
5	1, 4	wceq 958	1 wff i = <.0R, 1R>.

This definition is referenced by:  axicn 5289  axi2m1 5304  axcnre 5305  avril1 8786

Copyright terms: Public domain