التعليل النحوي عند أبي القاسم السهيلي

Abstract EN

This research aims to study the subject of the grammatical defect for Abou Elkassim Elsohaili He has shown great interest in reasoning,and guidance and the ways of interpreting linguistic phenomena and Judgements extraction ,thus he took a pose in his study of grammatical defect a long pose and his was lucky in the Power of sight and the realization of mind took a big interest , And the grammatical controversy has become a science has its owen rules and provisions.

This effect appears in his books, which are not without explanation and guidance We have tried to present his method in this and highlights the most important views Which came out in this field of research In addition to presenting his courses in reasoning and extracting grammatical issues With examples of grammatical analysis that we find in his books and works.