Purchase Solution

Topology: The Meaning of Symbols

Not what you're looking for?

Ask Custom Question

What is this symbol and what does it mean? See attachment.

Attachments
Purchase this Solution

Solution Summary

This explains a given symbol. The expert examines topology.

Solution Preview

Please see attachment

means union of an arbitrary number. Please see following.

Properties of open sets
1. The union (of an arbitrary number) of open sets is open.
Proof
Let x Ai = A. Then s Ai for some i. Since ...

Purchase this Solution


Free BrainMass Quizzes
Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Probability Quiz

Some questions on probability

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.