The seventh lesson names two forms of qiyas: istithna’i and iqtirani. Here istithna’ is a technical logical term, not merely the everyday idea of making an exception. One premise is conditional or disjunctive, and the next explicitly affirms or denies a component. Iqtirani instead joins premises to derive a conclusion.
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Types of Qiyas: Istithna’i and Iqtirani
The seventh lesson names two forms of qiyas: istithna’i and iqtirani. Here istithna’ is a technical logical term, not merely the everyday idea of making an exception. One premise is conditional or disjunctive, and the next explicitly affirms or denies a component. Iqtirani instead joins premises to derive a conclusion.