General Topology Lecture 1 Part 1

Lecture written by Victor Victorov and edited and presented by James Dilts
Definition and Examples

Category:

Education

Tags:

• Topology
• Mathematics
• Maths

[wintermoot]

For example 5, is X not open and so the union of anything and X would not be open?

[vivictorov]

@wintermoot

X must be open or one of the axioms would not be satisfied. In the example 5 no one union of open sets is capable comprises X, if X is not among these sets.

[SonOfNye]

@Strawberryx132 Upper echelon mathematics junior.

[theodorehui]

@JFStarwood pictures are good too, would be a good aid for topology

although putting everything on theoretical basis is still necessary

[JFStarwood]

These concepts are so simply if you just teach with pictures from video games or something...I recommend a different teaching strategy sir. But great effort indeed, you're doing a great job :)

[Strawberryx132]

What...