Abstract
This research aims to study the concept of dissent in the Arabic grammar, because there is a match in the use of texts between scholars of jurisprudence, and Arabic grammar scholars, and the scientific effect is great in this concept, due to its reliance on the tools of reason and the foundations of thought, and scientists have discovered that this concept must From a habitat in which he is active, and they concluded that he lacks operative language, there is no contradictory concept except that it was preceded by a spoken operative. This concept is originally attributed to the science of semantics, because semantics carries the concepts of conformity and dissent, and grammarians have their texts governed by semantics, so if the grammatical rule has a rule in one of the syntactic parts of the grammar, that situation requires a concept that explains the content of that rule, and at the same time shows what contradicts Other entries that do not belong to it The study came in two topics: the first topic dealt with: rooting the concept of dissent in the thought of scholars, while the second topic studied: the concept of dissent in the grammatical application