
Formal Methods 123
functionality. Finally, for ease of maintenance and troubleshooting for the design-
ers and programmers, the use of CT can show where an error might be contained,
while allowing for the group of functions to be analyzed and troubleshooting on
an input-by-input basis. e following is a brief introduction to category theory for
software specification.
Suppose we have classes of abstract objects, A, B, and C. Further, suppose there
are functions f and g such that and f : A → B and g : B → C. A category is composed
of the objects of the category and the morphisms of the category. A basic functional
relationship can be seen in ...