LessonsCategorical Propositions: Singular, Natural, Quantified and Indefinite FormsQuiz

Now determine the quantity and quality of quantified propositions:

“Every square is a figure” — universal affirmative: every square is affirmed to be a figure.
“Some flowers are fragrant” — particular affirmative: fragrance is affirmed of some flowers.
“No square is a circle” — universal negative: circularity is denied of all squares.
“Some flowers are not fragrant” — particular negative: fragrance is denied of some flowers.

First locate “every,” “some” or “none”; then decide whether the predicate is affirmed or denied.

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Worked classification: quantity and quality

Categorical Propositions: Singular, Natural, Quantified and Indefinite Forms

Now determine the quantity and quality of quantified propositions:

“Every square is a figure” — universal affirmative: every square is affirmed to be a figure.
“Some flowers are fragrant” — particular affirmative: fragrance is affirmed of some flowers.
“No square is a circle” — universal negative: circularity is denied of all squares.
“Some flowers are not fragrant” — particular negative: fragrance is denied of some flowers.

First locate “every,” “some” or “none”; then decide whether the predicate is affirmed or denied.