The effect of ismu't-tafdîl on visible noun in Arabic (The issue of kuhl)

"Ismu't-tafdîl" (comperative and superlative form) which is formed in ef'al, is a derivative noun which generally indicates a common feature between two things and that this feature is more in one than the other. The aim and scope of this study is examination of the general characteristics of the "ismu't-tafdîl" in terms of morphology (ilmu's-sarf) and syntax (ilmu'n-nahv), especially the study of the "effect of ismu't-tafdîl on visible noun which it is the subject of the ismu't-tafdîl (the issue of kuhl)", which has caused many discussions and independent studies in the science of ilmu'n-nahv within the framework of basic sources and is the introduction of studies on the subject.