Vaz' science and semiotics in Ferdinand de Saussure

In this study, briefly, under the title of linguistics, Vaz' İlmi and Ferdinand de Saussure's signs theory will be studied. For this reason, the Works we use will consist of self-written Works containing these two subjects, doctorate, master's theses and annotations. To clarify the subject, some terms and concepts will be briefly explained and the main subject will be discussed. It will be attempted to be simplified in today's Turkish in parentheses in order to better understand those who are foreigners of Vaz' ilmi. The life and scientific personality of Adûdüddin Îcî, who is regarded as the founder of Vaz', will be included. Likewise, Ferdinand will include the life and scientific personality of Saussure. The main purpose of the thesis is to try to reveal the similarities and differences of these two sciences, undue discussions. Keywords: Vad' İcon, Semiotics, Wording, Meaning, Portent, Alem, al-İji.