Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. advance math
  3. let a be a set of real numbers. we say that a is a

Let A be a set of real numbers. We say that A is an open...

50.1K

Verified Solution

Question

Advance Math

Let A be a set of real numbers. We say that A is an open set iffor every x0 ? A there is some ? > 0 (which mightdepend on x0) such that (x0 ? ?,x0 + ?) ? A. Show that a set B of real numbers is closedif and only if B is the complement of some open set A

Answer & Explanation Solved by verified expert
4.1 Ratings (633 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Basic Math
1.2K views

The numbers 1 2 3 and 4 are written on slips of paper and 2...

Statistics
1.2K views

Throughout the course, you have studied and used tools and techniques that have underlying statistical theory...

Psychology
1.2K views

How does the construct of locus of control fit into Julian Rotter’s social learning theory?

Physics
1.2K views

Two particles A and B of de Broglie wavelength X and AB are in motion...

Physics
1.2K views

8. Two packages are connected by a very light string that goes over an ideal...

Geometry
1.2K views

2 In AABC what is the length of AB BC to the nearest tenth a...

Algebra
1.2K views

Write a cosine function that has a midline of 2, an amplitude of 5 and...

Accounting
1.2K views

PRINTER VERSION BACK Question 7 x your answer...

Accounting
1.2K views

please use the information below to calculate the predicted values in tableau please show calculated...

Accounting
1.2K views

Peanut Company acquired 100 percent of Snoopy Companys outstanding common stock for $300,000 on January...

Finance
1.2K views

Problem 18-02 Over the last five years, corporation A has been consistently profitable. Its earnings...

Accounting
1.2K views

Module 5 Assignment (Individual Assignment) Your group will be performing a profitability analysis...