# Category:Singletons

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This category contains results about Singletons.

## Subcategories

This category has the following 3 subcategories, out of 3 total.

### O

### S

## Pages in category "Singletons"

The following 46 pages are in this category, out of 46 total.

### C

### E

### I

### M

### P

- Pair is Union of Singletons
- Power Set of Singleton
- Preimage of Singleton
- Projection from Product of Family is Injection iff Other Factors are Singletons
- Projection is Injection iff Factor is Singleton
- Projection is Injection iff Factor is Singleton/Family of Sets
- Projection is Injection iff Factor is Singleton/Family of Sets/Necessary Condition
- Projection is Injection iff Factor is Singleton/Family of Sets/Sufficient Condition

### S

- Set Difference of Doubleton and Singleton is Singleton
- Singleton Class of Set is Set
- Singleton Equality
- Singleton is Connected in Topological Space
- Singleton is Convex Set
- Singleton is Convex Set (Order Theory)
- Singleton is Finite
- Singleton is Terminal Object of Category of Sets
- Singleton of Element is Subset
- Singleton Point is Isolated
- Singleton Set is not Dense-in-itself
- Singleton Set is Nowhere Dense in Rational Space
- Supremum of Singleton