LessonsThe Mujtahid’s Duty: Evidence Hierarchy, Conflicts, and Revised IjtihadQuiz

ثم ثبت هذا أن العمل بالرأي إنما يكون عند انعدام دليل سواه شرعًا ثم إذا تحرى وتأكد تحريه بالعمل لا ينتقض ذلك بمجرد التحري
Resort to considered opinion occurs where no other applicable legal proof remains. When the assessment has been followed through an act, it is not undone merely by another estimate.

Before action, taḥarrī produces a probable judgment. After a devotional act has been carried out on that basis, the completed act acquires a legal status. A later conjecture does not automatically nullify it.

This does not settle separate cases where definitive proof reveals an actual defect. The present rule concerns the effect of a subsequent estimate alone.

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Why performance strengthens an adopted judgment

The Mujtahid’s Duty: Evidence Hierarchy, Conflicts, and Revised Ijtihad

ثم ثبت هذا أن العمل بالرأي إنما يكون عند انعدام دليل سواه شرعًا ثم إذا تحرى وتأكد تحريه بالعمل لا ينتقض ذلك بمجرد التحري
Resort to considered opinion occurs where no other applicable legal proof remains. When the assessment has been followed through an act, it is not undone merely by another estimate.

Before action, taḥarrī produces a probable judgment. After a devotional act has been carried out on that basis, the completed act acquires a legal status. A later conjecture does not automatically nullify it.

This does not settle separate cases where definitive proof reveals an actual defect. The present rule concerns the effect of a subsequent estimate alone.