If p is a categorical proposition with negative quality, then not-p must be:

A) negative
B) universal
C) particular
D) a double negative, which is equivalent to a universal negative
E) a double negative, which is equivalent to an affirmative

Categorical Proposition

An assertion that explicitly states a relationship between two classes, often highlighted by keywords like 'all', 'no', or 'some'.

Negative Quality

A characteristic that decreases the value or desirability of something.

Double Negative

A grammatical construction where two forms of negation are used in the same sentence, often resulting in a positive statement.