begin
definition
let C be ( ( non
empty ) ( non
empty )
set ) ;
let X be ( ( non
empty ) ( non
empty )
N-Str ) ;
let f be ( (
Function-like ) (
Relation-like C : ( ( non
empty ) ( non
empty )
set )
-defined the
carrier of
X : ( ( non
empty ) ( non
empty )
N-Str ) : ( ( ) ( non
empty )
set )
-valued Function-like )
PartFunc of ,) ;
||.redefine func ||.f.|| -> ( (
Function-like ) (
Relation-like C : ( ( ) ( )
set )
-defined REAL : ( ( ) ( non
empty V28() )
set )
-valued Function-like )
PartFunc of ,)
means
(
dom it : ( (
Function-like V18(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) ) ) (
Relation-like C : ( ( ) ( )
set )
-defined K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ))
-valued Function-like non
empty total V18(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) )
Function-yielding V52() )
Element of
K19(
K20(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) ) : ( ( ) ( )
set ) ) : ( ( ) ( )
set ) ) : ( ( ) ( )
set )
= dom f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) : ( ( ) ( )
set ) & ( for
c being ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) st
c : ( ( ) ( )
Element of
C : ( ( non
empty ) ( non
empty )
set ) )
in dom it : ( (
Function-like V18(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) ) ) (
Relation-like C : ( ( ) ( )
set )
-defined K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ))
-valued Function-like non
empty total V18(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) )
Function-yielding V52() )
Element of
K19(
K20(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) ) : ( ( ) ( )
set ) ) : ( ( ) ( )
set ) ) : ( ( ) ( )
set ) holds
it : ( (
Function-like V18(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) ) ) (
Relation-like C : ( ( ) ( )
set )
-defined K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ))
-valued Function-like non
empty total V18(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) )
Function-yielding V52() )
Element of
K19(
K20(
C : ( ( ) ( )
set ) ,
K78(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) ) : ( ( ) (
functional non
empty )
M4(
X : ( ( ) ( )
set ) ,
f : ( ( ) ( )
Element of
C : ( ( ) ( )
set ) ) )) ) : ( ( ) ( )
set ) ) : ( ( ) ( )
set ) )
. c : ( ( ) ( )
Element of
C : ( ( non
empty ) ( non
empty )
set ) ) : ( ( ) (
Relation-like Function-like )
set )
= ||.(f : ( ( ) ( ) Element of C : ( ( ) ( ) set ) ) /. c : ( ( ) ( ) Element of C : ( ( non empty ) ( non empty ) set ) ) ) : ( ( ) ( ) Element of the carrier of X : ( ( ) ( ) set ) : ( ( ) ( ) set ) ) .|| : ( ( ) (
complex )
Real) ) );
end;