A universal negative denies the predicate of every member of the subject class. The textbook example is “No human is a stone.” “No square is a triangle” is another example. Negative quality and universal extent are two independent features.
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Universal negative
Propositions: Categorical and Conditional Forms
A universal negative denies the predicate of every member of the subject class. The textbook example is “No human is a stone.” “No square is a triangle” is another example. Negative quality and universal extent are two independent features.