LessonsCategorical Propositions: Singular, Natural, Quantified and Indefinite FormsQuiz

«لا شيء»
No thing / nothing.

When this expression denies a predicate of every subject instance in a quantified categorical proposition, it produces a universal negative. For example, “No triangle is a circle” denies circularity of every triangle.

Denial for every member differs from denial for just some members. “No triangle is a circle” has the first form; “Some figures are not circles” has the second.

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Universal negative: no S is P

Categorical Propositions: Singular, Natural, Quantified and Indefinite Forms

«لا شيء»
No thing / nothing.

When this expression denies a predicate of every subject instance in a quantified categorical proposition, it produces a universal negative. For example, “No triangle is a circle” denies circularity of every triangle.

Denial for every member differs from denial for just some members. “No triangle is a circle” has the first form; “Some figures are not circles” has the second.