Metamath Proof Explorer


Theorem vcsm

Description: Functionality of th scalar product of a complex vector space. (Contributed by NM, 3-Nov-2006) (New usage is discouraged.)

Ref Expression
Hypotheses vciOLD.1
|- G = ( 1st ` W )
vciOLD.2
|- S = ( 2nd ` W )
vciOLD.3
|- X = ran G
Assertion vcsm
|- ( W e. CVecOLD -> S : ( CC X. X ) --> X )

Proof

Step Hyp Ref Expression
1 vciOLD.1
 |-  G = ( 1st ` W )
2 vciOLD.2
 |-  S = ( 2nd ` W )
3 vciOLD.3
 |-  X = ran G
4 1 2 3 vciOLD
 |-  ( W e. CVecOLD -> ( G e. AbelOp /\ S : ( CC X. X ) --> X /\ A. x e. X ( ( 1 S x ) = x /\ A. y e. CC ( A. z e. X ( y S ( x G z ) ) = ( ( y S x ) G ( y S z ) ) /\ A. z e. CC ( ( ( y + z ) S x ) = ( ( y S x ) G ( z S x ) ) /\ ( ( y x. z ) S x ) = ( y S ( z S x ) ) ) ) ) ) )
5 4 simp2d
 |-  ( W e. CVecOLD -> S : ( CC X. X ) --> X )