Metamath Proof Explorer


Theorem replimi

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 ) ) )

Proof

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 ) ) )