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This category has the following 23 subcategories, out of 23 total.
- ► Basic Universe (5 P)
- ► Doubleton Classes (4 P)
- ► Empty Class (5 P)
- ► Gödel-Bernays Class Theory (6 P)
- ► Not Every Class is a Set (3 P)
- ► Relational Closures (6 P)
- ► Transitive Classes (1 C, 6 P)
- ► Von Neumann Hierarchy (13 P)
- ► Zermelo-Fraenkel Class Theory (1 C, 11 P)
Pages in category "Class Theory"
The following 32 pages are in this category, out of 32 total.
- Cardinal Class is Proper Class
- Cartesian Product with Proper Class is Proper Class
- Class Equal to All its Elements
- Class Equality is Reflexive
- Class Equality is Symmetric
- Class Equality is Transitive
- Class has Subclass which is not Element
- Class is Not Element of Itself
- Class is Transitive iff Union is Subset