A Fallacy of the Undistributed Middle Is a Violation of Which

Multiple Choice

A fallacy of the undistributed middle is a violation of which of the following rules for evaluating categorical syllogisms? In a valid standard-form categorical syllogism¼

A) there are exactly three terms, and each term must be used with the same meaning throughout the argument.
B) the middle term is distributed in at least one premise.
C) a term must be distributed in the premises if it is distributed in the conclusion.
D) if the conclusion is particular, then at least one of the premises must be particular.