{"version":"1.0","type":"link","title":"Universal set - Newikis","description":"In set theory, a universal set is a set that contains all of the objects in the theory, including itself. In set theory as usually formulated, it can be proven in multiple ways that a universal set does not exist. However, some non-standard variants of set theory include a universal set.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}