الإعــلال عند الخوارزميّ (ت 617هـ ) في كتاب شرح المُفصَّل (التَّخمير)

Abstract

    Al_Khwarizme (617AH) separared between ilàl and abdal , considered them, to be two terms each of which has a special meaning with reference to the generality and specificity between them He included in the chapter on ahal one of the types of ibdal which is ilàl with the heart, Sibawayh continued that the alif waw and housing and their reasons do not end with the requirement of lightness and actionfrom one aspect, but rather the distibnction between the structures or to be sign of the origin of the sound.