A well-formed formula (WFF) is a syntactically correct expression in formal logic that adheres to the rules of a particular logical language, ensuring that it can be evaluated for truth or falsity within a given interpretation. The structure of a WFF allows it to convey meaningful statements about objects, properties, and relationships, using components like predicates, quantifiers, and logical connectives. This syntactic correctness is crucial for establishing interpretations and truth assignments in logical systems.
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