Muhammad does not consider stones sufficient once filth extends beyond the exit; washing with water or an acceptable pure liquid is required even when the excess alone is less than a dirham.
His assessment of the amount may also take impurity at the exit together with the spread outside it.
Thus, the two senior pupils of Abu Hanifah differ on some details of spread beyond the exit.
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Istinja: Methods, Preference and Juristic Differences
Muhammad does not consider stones sufficient once filth extends beyond the exit; washing with water or an acceptable pure liquid is required even when the excess alone is less than a dirham.
His assessment of the amount may also take impurity at the exit together with the spread outside it.
Thus, the two senior pupils of Abu Hanifah differ on some details of spread beyond the exit.