What is the term for the assumption that each object has one label, and that different words refer to separate, nonoverlapping categories?

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Quizplus · Accepted Answer

The mutual exclusivity constraint refers to the assumption in language acquisition that each object will have one label, and that different words refer to separate, nonoverlapping categories. This principle helps children learn language by assuming that if they hear a new word, it must refer to an object or concept that doesn't already have a name they know.

What Is the Term for the Assumption That Each Object