الحاجز غير الحصين في ضوء القوانين الصوتية و الصرفية

الملخص EN

This study deals with the "vulnerable barrier" in view of Phonnological and morphological rules.

It clarifies the concept of the vulnerable barrier then deals with the issues which were transferred by Arabs who tried to explain them using the vulnerable barrier.

The study addresses this in two ways : The first one: The vulnerable barrier and the Phonnological rules.

The study includes a number of issues which ancestors tried to explain using the vulnerable barrier.

The study analyzes them by using Phonnological rules.

The second one: the vulnerable barrier and the morphological rules.

The study includes a number of issues which ancestors tried to explain using the vulnerable barrier.

The study analyzes them by using morphological rules.

The study ends showing the most important conclusions indicating that the vulnerable barrier was an excuse used by grammarians to explain some changes which occur in the Arabic Structure according to scientific data at that time.

The study answers all issues and explains them scientifically by relying on Phonnology and morphology.