Task: Text Categorization
Input (English): attributes the "Zion Dialectic" to this philosopher that theorized mules are infertile because their wombs are attached to their bellies. Another of his scientific theories is that salts are solidified because of the sun. One of this philosopher's works discusses that whatever is lawful extends through the wide-ruling air and boundless light, and a later part of it a father who killed his son with a prayer in preparation for a feast, and equates it with a time where the children kill their parents. This philosopher believed that animals housed sinful souls, and he also believed that there is a correlation between the soft blood of the body and the amount of air breathed in. This philosopher frequently referred to his "two-fold" truths, and he refers to entities that wander near the sea of life, those entities, are detached from the bodies, and are limbs. This man also theorized about the importance of a concept which makes many out of one, Strife. For ten points, name this philosopher who discussed the notion of the four elements before throwing himself into Mt. Etna.
Output (English): Social Science