Description: 2 is a nonzero complex number. (Contributed by David A. Wheeler, 7-Dec-2018)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | 2cnne0 | |- ( 2 e. CC /\ 2 =/= 0 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2cn | |- 2 e. CC |
|
| 2 | 2ne0 | |- 2 =/= 0 |
|
| 3 | 1 2 | pm3.2i | |- ( 2 e. CC /\ 2 =/= 0 ) |