You will be given a definition of a task first, then some input of the task.
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

One of his works argues that rationality is the core of all reality, and states that there is no reality besides that which is shaped by the mind; a condensed version of this work can be found in his Encyclopedia of the Philosophical Sciences. One of his works divides the title concept into abstract, moral and ethical spheres, and posits the idea that free will can only be realized in systems of property rights and contracts. In addition to the aforementioned Science of Logic, another work relies on the thesis-antithesis-synthesis method, and includes discussions of Absolute Knowing and the master-slave dialectic. FTP, name this German philosopher and author of The Philosophy of Right and Phenomenology of Mind.
Output:
Social Science