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.

This thinker summed up this ethics by writing "what is good is also divine" in a collection of personal notes. One of his works notes that philosophy's goal is to clarify and to critique. Another of his works asserts that the purpose of one field of study is to decompose statements into atomic propositions. He structured his first major work around seven basic propositions, the first being that "the (*) world is everything that is the case." He later criticized this work for being too dogmatic in one that discussed family resemblances and language games while rejecting the idea of private language. For 10 points, name this linguistic philosopher and logician who wrote Philosophical Investigations and Tractatus Logico-Philosophicus.
Social Science