Description: Complex numbers are a subset of the pair of real and complex numbers . (Contributed by David A. Wheeler, 8-Dec-2018)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | cnelprrecn | |- CC e. { RR , CC } |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnex | |- CC e. _V |
|
| 2 | 1 | prid2 | |- CC e. { RR , CC } |