In this paper, I study Fichte’s method as a method of “transcendental deduction”, which has a strong relationship with the practical significance of his philosophy. Indeed, Fichte explicitly refers to his own method as a “deduction” (Deduction) in his writings Jena´s period (1794-1799). Although this deductive method is originally inspired by the Kantian philosophy, acquires a broader development in the system of WL, as a process of foundation on necessary principles of all human knowledge (theoretical and practical). In my point of view, Fichte’s transcendental deduction is a complex method, in which three elements are articulated: argumentation, intellectual intuition and reflection. I will argue that each of these methodological dimensio...