Category:Empty Set
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This category contains results about the empty set.
Definitions specific to this category can be found in Definitions/Empty Set.
The empty set is a set which has no elements.
That is, $x \in \O$ is false, whatever $x$ is.
Subcategories
This category has the following 7 subcategories, out of 7 total.
E
U
Pages in category "Empty Set"
The following 74 pages are in this category, out of 74 total.
C
E
- Empty Intersection iff Subset of Complement
- Empty Intersection iff Subset of Relative Complement
- Empty Mapping is Injective
- Empty Mapping is Mapping
- Empty Mapping is Unique
- Empty Mapping to Empty Set is Bijective
- Empty Set as Subset
- Empty Set can be Derived from Comprehension Principle
- Empty Set Disjoint with Itself
- Empty Set from Principle of Non-Contradiction
- Empty Set is Closed in Metric Space
- Empty Set is Closed in Topological Space
- Empty Set is Compact Space
- Empty Set is Countable
- Empty Set is Element of Power Set
- Empty Set is Element of Topology
- Empty Set is Initial Object
- Empty Set is Linearly Independent
- Empty Set is Nowhere Dense
- Empty Set is Null Set
- Empty Set is Open and Closed in Metric Space
- Empty Set is Open in Metric Space
- Empty Set is Open in Neighborhood Space
- Empty Set is Subset of All Sets
- Empty Set is Subset of Power Set
- Empty Set is Unique
- Empty Set Satisfies Topology Axioms
- Equivalence Class is not Empty
- Equivalence of Definitions of Empty Set
I
- Identity of Power Set with Union
- Image of Empty Set is Empty Set
- Image of Empty Set is Empty Set/Corollary
- Infimum of Empty Set is Greatest Element
- Infimum of Power Set
- Intersection is Empty and Union is Universe if Sets are Complementary
- Intersection of Elements of Power Set
- Intersection with Complement
- Intersection with Complement is Empty iff Subset
- Intersection with Empty Set
R
S
- Set Consisting of Empty Set is not Empty
- Set Difference Equals First Set iff Empty Intersection
- Set Difference is Anticommutative
- Set Difference of Intersection with Set is Empty Set
- Set Difference with Empty Set is Self
- Set Difference with Intersection
- Set Difference with Self is Empty Set
- Set Difference with Superset is Empty Set
- Singleton Class of Empty Set is Supercomplete
- Subset of Empty Set iff Empty
- Supremum of Empty Set is Smallest Element
- Symmetric Difference of Equal Sets
- Symmetric Difference with Empty Set
- Symmetric Difference with Self is Empty Set
