We purpose in this artcle is to show that how the dialectc is used in Aristotle and Muslim Logicians. Dialectc method discussed and presented in the Topics. Aim of Aristotle in this treatse was to fnd a method by which we shall be able to reason from generally accepted opinions (endoxa) about any problem set before us and shall ourselves, when sustaining an argument, avoid saying anything self-contradictory. The most general sense is named the dialectc is dialogue between two persons by later philosophers. The practcal dimension is played an important role both in teaching and technique of argumantaton. Dialectc / Jadal is for Aristotle and Muslim Logicians a lesser way of proceeding than demonstraton, the method of science. But dialectc especially is useful to discover the frst principles of the sciences. With it’s all aplicaton areas and meanings examining of dialectc useful for philosophical thinking