Suppose we introduce MinWith as a nondeterministic function, specified only by the condition that if x is a possible value of MinWith f xs, where xs is a finite ...

Oct 20, 2019 · Suppose we introduce MinWith as a nondeterministic function, specified only by the condition that if x is a possible value of MinWith \; f \; xs ...

▷ We calculate and execute only deterministic functions. ▷ We use non-deterministic functions only for specifications and intermediate values. calculus allows ...

Nov 18, 2022 · To be deterministic, the style parameter must be a constant. Additionally, styles less than or equal to 100 are nondeterministic, except for ...

One approach is to replace functions by relations, and equational reasoning by reasoning about relational inclusion. But such a wholesale approach means one has ...

The aim in this article is to explore the issues in a simple setting and to justify the axioms of refinement using the semantics suggested by Morris and ...

A more modest proposal is to generalise our powers of specification by allowing certain nondeterministic, or multi-valued functions, and to reason about ...

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Deterministic functions always give the same output (Y) for an input (X). Nondeterministic functions produce variable outputs.

One approach is to replace functions by relations, and equational reasoning by reasoning about relational inclusion. But such a wholesale approach means one has ...