مَاْ تَحَقَّقَ فِيهِ الإعمالُ والإهمالُ مِنْ حُرُوفِ المَعَانِي

Abstract

The letters in Arabic are divided into two parts, considering the work: the first is the working letters, and the second is the non-working letters. The grammarians defined the term as what was the end of the word After it is in the nominative case, in the accusative case, in the genitive case, then the working letter is the one that always works