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  "map_content": "A predicate, on the other hand, is a function, expression, or statement that takes one or more arguments (variables or objects) and returns a boolean value (true or false) based on whether a certain condition or property holds. It's not the value itself but the mechanism that produces it. Predicates are common in formal logic, mathematics (e.g., predicate logic), and programming (e.g., as lambda functions or conditions in filters).",
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