This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Metamath Proof Explorer
Description: _pi is a complex number. (Contributed by David A. Wheeler, 6-Dec-2018)
|
|
Ref |
Expression |
|
Assertion |
picn |
|- _pi e. CC |
Proof
| Step |
Hyp |
Ref |
Expression |
| 1 |
|
pire |
|- _pi e. RR |
| 2 |
1
|
recni |
|- _pi e. CC |