They limit the scope of an argument and can be useful in identifying incorrect answer choices. They provide nuances to the argument - which can help you make some answer choices correct or incorrect. When diagramming - be sure to include boundary wor

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1. They limit the scope of an argument and can be useful in identifying incorrect answer choices. They provide nuances to the argument - which can help you make some answer choices correct or incorrect. When diagramming - be sure to include boundary wor