Linked from
The 46 pages that link to Predicate logic, each with the reason it gives.
Rule-based systemRelated: It provides a precise basis for rules involving entities and relations.
PredicateRelated: It uses predicates to express structured claims beyond whole-proposition logic.
DatalogRelated: Datalog atoms use predicates applied to constants and variables to represent facts.
Prenex normal formRelated: Its predicates and quantifiers supply the formula's basic vocabulary.
Edgar F. CoddRelated: Codd connected relational data to logic-based ways of stating queries.
Ugly duckling theoremRelated: Predicates provide the describable properties that the theorem counts.