This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Metamath Proof Explorer
Definition df-i
Description: Define the complex number _i (the imaginary unit). (Contributed by NM, 22-Feb-1996) (New usage is discouraged.)
|
|
Ref |
Expression |
|
Assertion |
df-i |
|- _i = <. 0R , 1R >. |
Detailed syntax breakdown
| Step |
Hyp |
Ref |
Expression |
| 0 |
|
ci |
|- _i |
| 1 |
|
c0r |
|- 0R |
| 2 |
|
c1r |
|- 1R |
| 3 |
1 2
|
cop |
|- <. 0R , 1R >. |
| 4 |
0 3
|
wceq |
|- _i = <. 0R , 1R >. |