is that procedures, which are often used to implement the operations of an abstract data type have no obvious
mathematical counterpart.
A desirable feature of an algebraic specifi cation is that it too has a number of possible interpreta tions or
models which are mathematical implementations of the specifi cation. These ideas will be developed further
when we examine the role of algebras in the specifi cation of abstract data types.
21.1.2 Algebraic Specification of Abstract Data Types
The role of the Defi nition module in Modula-2 is to provide users with information on the type(s) and
operations available to them. The operations specifi ed in the Defi nition module are available to the users
of the abstract ...
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