Q: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
Yang Zhu (; 440360 BC), also known as Yang Zi or Yangzi (Master Yang), was a Chinese philosopher during the Warring States period. An early ethical egoist alternative to Mohist and Confucian thought, Yang Zhu's surviving ideas appear primarily in the Chinese texts "Huainanzi", "Lushi Chunqiu", "Mengzi", and possibly the "Liezi" and "Zhuangzi". Question: Who was an early ethical egoist alternative to the philosophy also known as Ruism? Answer: Yang Zhu
A:
An early ethical egoist alternative to Mohist and Confucian thought, Yang Zhus surviving ideas appear primarily in the Chinese texts Huainanzi, Lushi Chunqiu, Mengzi, and possibly the Liezi and Zhuangzi.