![SOLVED: Q4. (a) Find the closure of the set 4 5 6 2 " 3 4*5 with respect to usual topology on R (b) Prove that two closed subsets of a topological SOLVED: Q4. (a) Find the closure of the set 4 5 6 2 " 3 4*5 with respect to usual topology on R (b) Prove that two closed subsets of a topological](https://cdn.numerade.com/ask_images/32510fbb6ddf4389b631cf7781535f2a.jpg)
SOLVED: Q4. (a) Find the closure of the set 4 5 6 2 " 3 4*5 with respect to usual topology on R (b) Prove that two closed subsets of a topological
![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" /
![Closure of A is Smallest Closed Superset of A | Closure of A is equal to A iff A is Closed - YouTube Closure of A is Smallest Closed Superset of A | Closure of A is equal to A iff A is Closed - YouTube](https://i.ytimg.com/vi/9T6I74ObFdU/maxresdefault.jpg)
Closure of A is Smallest Closed Superset of A | Closure of A is equal to A iff A is Closed - YouTube
![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)
Set A is closed iff closure of A is equal to A|Closure of set A|Topological space theorems proof| - YouTube
![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/qEWyD.png)
real analysis - Show that the closure of $A$ is the intersection of all closed sets containing $A$, topology proof needed - Mathematics Stack Exchange
![Topological space. Topology. Open and closed sets. Neighborhood. Interior, exterior, limit, boundary, isolated point. Dense, nowhere dense set. Topological space. Topology. Open and closed sets. Neighborhood. Interior, exterior, limit, boundary, isolated point. Dense, nowhere dense set.](https://solitaryroad.com/c779/ole27.gif)