Derived set | Definition | examples | Real analysis | metric space | Topology by Cheena Banga | Metric space, Real AnalysisSet of limit points of a set is derived set. read more
Union of two NBDS is NBD | neighbourhood | Real analysis | Metric Space | Topology by Cheena Banga | Metric space, Real Analysisread more
Union of arbitrary family of open sets is open | Real Analysis | Metric Space | Topology by Cheena Banga | Metric space, Real Analysisread more
infinite intersection of open sets need not to be open | Real Analysis | Metric Space | Topology by Cheena Banga | Metric space, Real Analysisread more
Neighbourhood of a point | NBD | Definition | Real analysis | Metric Space | Topology by Cheena Banga | Metric space, Real Analysisread more
Open set | Definition | Examples | Real analysis | NBD | Metric Space | Topology by Cheena Banga | Metric space, Real Analysisread more
Limit/cluster/accumulation point | Definition | Examples | Real Analysis | Metric Space by Cheena Banga | Metric space, Real Analysisread more
Bolzano weierstrass theorem | Real analysis | Metric Space | Basic Topology | limit point by Cheena Banga | Metric space, Real Analysisread more
Union of two closed sets is closed | Real analysis | metric space | Basic Topology by Cheena Banga | Metric space, Real Analysisread more
A set is closed iff complement is open | Real analysis | metric space | Basic Topology by Cheena Banga | Metric space, Real Analysisread more