Before revision: Definition Premise: A fits definition D. Classificatory Premise: For all x, if x fits definition D, then x is classified as having the property G. Conclusion: A has the property G. Argument from Verbal Classification Persuasive definitions are not the only way of modifying meaning – one may also modify meaning simply by linking two properties together (Douglas Walton calls it a "Verbal classification "), and then attribute a new property to given object ("if something is prosecuted, then it is morally wrong, therefore racism is morally wrong").
After revision: Definition Premise: A fits definition D. Classificatory Premise: For all x, if x fits definition D, then x is classified as having the property G. Conclusion: A has the property G. Argument from Verbal Classification Persuasive definitions are not the only way of modifying meaning – one may also modify meaning simply by linking two properties together (Douglas Walton calls it a "Verbal Classification "), and then attribute a new property to given object ("if something is prosecuted, then it is morally wrong, therefore racism is morally wrong").