= Predicate transformer semantics
{wiki=Predicate_transformer_semantics}
Predicate transformer semantics is a formal method used in the field of program semantics, particularly in the context of reasoning about the correctness of programs. It primarily deals with the relationship between program statements and their effects on logical predicates, which represent the properties of the program's state. \#\#\# Key Concepts 1. **Predicates**: These are logical assertions about the state of a program or a variable. For instance, a predicate might express whether a variable \`x\` is greater than zero.
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