Description: Construct a complex number from its real and imaginary parts. (Contributed by NM, 1-Oct-1999)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | recl.1 | |- A e. CC | |
| Assertion | replimi | |- A = ( ( Re ` A ) + ( _i x. ( Im ` A ) ) ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | recl.1 | |- A e. CC | |
| 2 | replim | |- ( A e. CC -> A = ( ( Re ` A ) + ( _i x. ( Im ` A ) ) ) ) | |
| 3 | 1 2 | ax-mp | |- A = ( ( Re ` A ) + ( _i x. ( Im ` A ) ) ) |