Polymorphisms refer to the existence of multiple distinct forms or varieties within a particular algebraic structure, such as operations or functions that can behave differently based on the types of their arguments. This concept is crucial in understanding how different algebraic systems can exhibit various behaviors while still maintaining their core properties. Polymorphisms are central to characterizing algebras and analyzing their relationships, especially in the context of the Hobby-McKenzie Theorem, which deals with the implications of these variations for the structural properties of algebras.
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