وأما التي من جهة الصورة فكلها يكون على هيئة غير منتجة
As for errors of form, all occur in an arrangement that does not produce a conclusion.
A productive syllogism must connect its minor and major terms by a properly functioning middle term. Two meaningful and true premises alone are insufficient.
When the conditions of production are violated, the stated conclusion might accidentally be true. It is nevertheless not established by those premises. That is the essential mark of a formal fallacy.
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Semantic Fallacies: Defects of Matter, Form, and Predication
وأما التي من جهة الصورة فكلها يكون على هيئة غير منتجة
As for errors of form, all occur in an arrangement that does not produce a conclusion.
A productive syllogism must connect its minor and major terms by a properly functioning middle term. Two meaningful and true premises alone are insufficient.
When the conditions of production are violated, the stated conclusion might accidentally be true. It is nevertheless not established by those premises. That is the essential mark of a formal fallacy.