![real analysis - Show that the closure of $A$ is the intersection of all closed sets containing $A$, topology proof needed - Mathematics Stack Exchange real analysis - Show that the closure of $A$ is the intersection of all closed sets containing $A$, topology proof needed - Mathematics Stack Exchange](https://i.stack.imgur.com/8Ccmi.png)
real analysis - Show that the closure of $A$ is the intersection of all closed sets containing $A$, topology proof needed - Mathematics Stack Exchange
![Dave Richeson på Twitter: "Today in topology: relationships between open sets, closed sets, interior points, limit points, interior, and closure. Here's a nice exercise that requires understanding the various definitions. https://t.co/HHA7cV54KA" / Dave Richeson på Twitter: "Today in topology: relationships between open sets, closed sets, interior points, limit points, interior, and closure. Here's a nice exercise that requires understanding the various definitions. https://t.co/HHA7cV54KA" /](https://pbs.twimg.com/media/EQbjc9nWoAILdBg.jpg)
Dave Richeson på Twitter: "Today in topology: relationships between open sets, closed sets, interior points, limit points, interior, and closure. Here's a nice exercise that requires understanding the various definitions. https://t.co/HHA7cV54KA" /
![A possible typo in a proof about closure in textbook Introduction to Set Theory 3rd by Hrbacek and Jech - Mathematics Stack Exchange A possible typo in a proof about closure in textbook Introduction to Set Theory 3rd by Hrbacek and Jech - Mathematics Stack Exchange](https://i.stack.imgur.com/J66Ks.png)
A possible typo in a proof about closure in textbook Introduction to Set Theory 3rd by Hrbacek and Jech - Mathematics Stack Exchange
![Set A is closed iff closure of A is equal to A|Closure of set A|Topological space theorems proof| - YouTube Set A is closed iff closure of A is equal to A|Closure of set A|Topological space theorems proof| - YouTube](https://i.ytimg.com/vi/UMwAP4hgqAc/hqdefault.jpg)