Concept in Aristotelian Logic

In this research, we tried to analyze the concept of,concept. in Aristotle.s thought. In this direction, we have examined in detail his works called Posterior Analytics and First Philosophy. First, we tried to analyze scientific questions and definitions through Posterior Analytics, and secondly, statements about definition and concept through First Philosophy. According to the conclusion we reached in the study, the concept itself has three styles: concept as form or essence, concept as definition, definitional concept and concept as covering judgment. We can name the first one as the objective concept and the last two as the subjective concept in terms of being in the mind.