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 ) ) ) |