Then these people differed regarding the definition between little and many, and the disagreement regarding the same definition is well-known in the schools of thought, not in the text of the authentic Sharia, for the hadiths in this matter have been discussed, such as the hadith of two days and the hadith of forty, a few. Then the disagreement between them regarding the definition of a few and branches out. There are many issues on this topic, such as the occurrence of water on impurity, the occurrence of impurity on water, urination in standing water, and so on. People have many schools of thought regarding this, and this book is not the place for it. We did not intend to investigate all the rulings related to this purity from the point of view of branching out the issues, but rather we intended to summarize them for the sake of consideration. In this chapter, we have included in this section about eighty chapters, which we will mention, God willing, all of them, chapter