LessonsThe Fourth Figure: Productive Conditions, Moods and ProofsQuiz

فشرط إنتاج الشكل الرابع أحد الأمرين: وهو إما إيجاب المقدمتين مع كلية الصغرى، أو اختلافهما بالكيف مع كلية إحداهما.
The fourth figure is said to be productive in either of two ways: both premises are affirmative with a universal minor, or the premises differ in quality with at least one universal premise.

Ījāb means affirmation; difference in quality means one affirmative and one negative; and universality means covering all the members of the relevant class. These terms matter more than memorizing a list of moods.

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The source’s two routes to production

The Fourth Figure: Productive Conditions, Moods and Proofs

فشرط إنتاج الشكل الرابع أحد الأمرين: وهو إما إيجاب المقدمتين مع كلية الصغرى، أو اختلافهما بالكيف مع كلية إحداهما.
The fourth figure is said to be productive in either of two ways: both premises are affirmative with a universal minor, or the premises differ in quality with at least one universal premise.

Ījāb means affirmation; difference in quality means one affirmative and one negative; and universality means covering all the members of the relevant class. These terms matter more than memorizing a list of moods.