- ...description
- a pair
of pre/post-conditions is represented by [pre , post].
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- ...state
- we use the terminology of the Z language
[Spi92].
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- ...state
- only post-conditions reference some decorated occurrence.
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- ...constants
- in the following, we name also these
kinds of logical constants specification variables.
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- ...f
- a
substitution satisfies a formula if, after substitution, the formula
is evaluated to true.
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- ...formulae
- a complex formula
is composed of some atomic formulae that are linked by some
connectors or some quantification symbols or some conditional
operators.
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