Phil,
On Sunday 23 Sep 2012 21:11, Phil Clayton wrote:
> By making initialization an operation without a before
> state, the initialization can be used with schema
> operators such as composition and pre, e.g.
>
>Init ⨟ Op
>
>pre Init
>
> the latter being another way to write the follo
On 22/09/12 10:45, Roger Bishop Jones wrote:
I see that Potter Sinclair and Till "An Introduction to
Formal Specification Using Z" 1991 use the primed version of
the convention, and offer the following rationale (p43):
"Here we use Vocab' as the variable to suggest that
initialisation is like an
I see that Potter Sinclair and Till "An Introduction to
Formal Specification Using Z" 1991 use the primed version of
the convention, and offer the following rationale (p43):
"Here we use Vocab' as the variable to suggest that
initialisation is like an operation which produces after
objects whi
