Given the task definition and input, reply with output. 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.

He discussed the regressive/progressive method of historical analysis in an essay that became the introduction to a work that developed a theory of practical ensembles and juxtaposed the practico-inert and praxis. In addition to The Problem of Method and his Critique of Dialectical Reason, he published a lecture that led Heidegger, in the Letter on Humanism, to critique some of this mans views, including his statement that existence precedes essence. In another of his works, he used the the example of a woman on a first date whose companion takes her hand to illustrate his concept of bad faith. For 10 points, name this French philosopher of Existentialism is a Humanism and a work subtitled An Essay on Phenomenological Ontology, Being and Nothingness.
Social Science