Predicate transformer semantics: Difference between revisions

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=== Conjunctive ===
A predicate transformer ''S'' is '''conjunctive''' iff:
:<math>S(P \wedge Q)\ \Leftrightarrow\ (S(P) \wedge S(Q))</math>
 
This is the case for <math>wp(S,.)</math>, even if statement ''S'' is non-deterministic as a selection statement or a specification statement.