ما هو دليل المالكية والشافعية في عدم تنجس اليد بملامسة نجاسة جافة لا تُرى عينها، وهل يختص ذلك بالبول فقط؟ وهل من شروط صحة التوبة مفارقة قوم أو مكان المعصية، استناداً لحديث قاتل الـ 99 نفساً؟

If the substance of impurity is removed, but its حكم (ruling/effect) remains, and then a pure object that is wet touches the place of impurity, the Malikis and those who agree with them hold that the object that touched it does not become impure. This is because the impurity has been removed, and only its حكم remains, which is an 'ard (an accidental attribute) that does not transfer. However, if a pure object is dry and touches a dry impure object, it does not become impure according to the Malikis, Shafi'is, and others.