The effect of the condition "in Islam" in the tradition of "Lazarar and Lazerar"(no harm and no damage) in deducing jurisprudential issues

One of the problems of the tradition of "Lazarar and Lazerar" is to plan and examine the effect of the presence or absence of the phrase " in Islam"  in deducing its jurisprudential issues. In this regard, a comprehensive and independent research has not been done, and the present research is trying to do this and answer this main question and the related sub-questions by analytical reference and library method in such a way that the presence or absence of the phrase in Islam has a direct effect on the inference of the jurisprudential issues of this tradition..This article has sought the effect of the presence of the phrase "in Islam" in the narration of "La zarar and La zarar" in the establishing  nature of the verdict that is deduced from the tradition, as well as the negation of harm from the legal harmful relations  between people, as well as compliance with the Shari'a rulings. Such a ruling is unprecedented in human legal schools.