Pages that link to "Mathematician:Ryszard Engelking"
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The following pages link to Mathematician:Ryszard Engelking:
Displayed 50 items.
- Characterization of Boundary by Open Sets (← links)
- Characterization of Closure by Open Sets (← links)
- Characterization of Boundary by Basis (← links)
- Union of Interiors and Boundary Equals Whole Space (← links)
- Characterization of Derivative by Open Sets (← links)
- Characterization of Derivative by Local Basis (← links)
- Derivative is Included in Closure (← links)
- Closure Equals Union with Derivative (← links)
- Derivative of Subset is Subset of Derivative (← links)
- Derivative of Union is Union of Derivatives (← links)
- Derivative of Derivative is Subset of Derivative in T1 Space (← links)
- Closure of Derivative is Derivative in T1 Space (← links)
- Union of Derivatives is Subset of Derivative of Union (← links)
- Point is Isolated iff belongs to Set less Derivative (← links)
- Closure of Dense-in-itself is Dense-in-itself in T1 Space (← links)
- Union of Set of Dense-in-itself Sets is Dense-in-itself (← links)
- Equivalence of Definitions of Weight of Topological Space (← links)
- Space is First-Countable iff Character not greater than Aleph 0 (← links)
- Existence of Subfamily of Cardinality not greater than Weight of Space and Unions Equal (← links)
- Set of Singletons is Smallest Basis of Discrete Space (← links)
- Weight of Discrete Topology equals Cardinality of Space (← links)
- Basis has Subset Basis of Cardinality equal to Weight of Space (← links)
- Image of Mapping of Intersections is Smallest Basis (← links)
- Cardinality of Image of Mapping of Intersections is not greater than Weight of Space (← links)
- Finite Weight Space has Basis equal to Image of Mapping of Intersections (← links)
- Topology Generated by Closed Sets (← links)
- Topology Defined by Basis (← links)
- Weight of Sorgenfrey Line is Continuum (← links)
- Cardinality of Basis of Sorgenfrey Line not greater than Continuum (← links)
- Density not greater than Weight (← links)
- Space is Separable iff Density not greater than Aleph Zero (← links)
- Boundary of Union of Separated Sets equals Union of Boundaries (← links)
- Discrete Space is Separable iff Countable (← links)
- Rational Numbers are F-Sigma Set in Real Line (← links)
- T1 Space is T1/2 Space (← links)
- T1/2 Space is T0 Space (← links)
- Characterization of T0 Space by Closures of Singletons (← links)
- Characterization of T0 Space by Distinct Closures of Singletons (← links)
- Characterization of T0 Space by Closed Sets (← links)
- Set of Condensation Points is Subset of Derivative (← links)
- Closure of Set of Condensation Points equals Itself (← links)
- Set of Condensation Points is Monotone (← links)
- Set of Condensation Points of Union is Union of Sets of Condensation Points (← links)
- Set of Condensation Points of Union is Union of Sets of Condensation Points/Lemma (← links)
- Set of Condensation Points of Countable Set is Empty (← links)
- Set of Condensation Points of Countable Set is Empty/Lemma (← links)
- Topology Defined by Neighborhood System (← links)
- Niemytzki Plane is Topology (← links)
- Open Ball is Subset of Open Ball (← links)
- Rationals are Everywhere Dense in Sorgenfrey Line (← links)