LessonsPredication, Types of Categorical Proposition and Negated TermsQuiz

«وعمرو شاعر»
And Amr is a poet.

Amr is a proper name; poet denotes a quality or ability. The concepts differ, but if Amr is a poet the quality is realized in that person.

Invalid inference: Everyone who is a poet must be Amr.
Valid interpretation: The predication concerns Amr; the concept poet may also apply to many other persons.

Identity of referent in a true predication does not establish synonymy or make every bearer of the predicate identical with the subject.

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Worked source example: Amr is a poet

Predication, Types of Categorical Proposition and Negated Terms

«وعمرو شاعر»
And Amr is a poet.

Amr is a proper name; poet denotes a quality or ability. The concepts differ, but if Amr is a poet the quality is realized in that person.

Invalid inference: Everyone who is a poet must be Amr.
Valid interpretation: The predication concerns Amr; the concept poet may also apply to many other persons.

Identity of referent in a true predication does not establish synonymy or make every bearer of the predicate identical with the subject.