What is the ruling if there is doubt about whether the excreted matter spread to an area requiring washing with water?
Chapter on Cleaning oneself (Istitabah) and Impurity (Hadath)
Al-Mughni
Book of Purification
Primary text
If one doubts whether the excretion spread to an area necessitating washing, washing is not required because the default assumption is non-occurrence. However, washing is recommended as a precaution.