Description: The closed unit interval is a subset of the set of the complex numbers. Useful lemma for manipulating probabilities within the closed unit interval. (Contributed by Thierry Arnoux, 21-Dec-2016)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | elunitcn | |- ( A e. ( 0 [,] 1 ) -> A e. CC ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elunitrn | |- ( A e. ( 0 [,] 1 ) -> A e. RR ) |
|
| 2 | 1 | recnd | |- ( A e. ( 0 [,] 1 ) -> A e. CC ) |