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Functions
Every unary function is a binary relation.
The functions
domain
,
range
,
inverse
, and
composition
also apply to functions.
n
-ary functions can be modelled as unary functions.
Pack
n
arguments into a single
n
-tuple.
E.g., a binary function
f
is represented as (for some
A
,
B
,
C
)
f
:
A
x
B
->
C
Author:
Wolfgang Schreiner
Last Modification: October 14, 1999