Sophistry is the deliberate use of a false argument with the intent to trick someone or a false or untrue argument.(noun)
An example of sophistry is when you use a fact in an argument to make your point even though you know the point is false.
See sophistry in Webster's New World College Dictionary
noun pl. sophistries
Origin: ME sophistrie < ML sophistria
See sophistry in American Heritage Dictionary 4
noun pl. soph·is·tries
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