A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 one year ago
A universal set contains only sets A and B. If A∩B = Ø and A and B are not the empty set, then all of the following are true except
A and B are disjoint.
A is equal to B complement.
A∪B={}
A is not a subset of B.
 one year ago
A universal set contains only sets A and B. If A∩B = Ø and A and B are not the empty set, then all of the following are true except A and B are disjoint. A is equal to B complement. A∪B={} A is not a subset of B.

This Question is Closed

PeterPan
 one year ago
Best ResponseYou've already chosen the best response.0Think about it :) In English, A∩B = Ø Just means A and B have no elements in common :)

mathsmind
 one year ago
Best ResponseYou've already chosen the best response.0we may use venn diagrams to prove this or use the common way \[x \in A ...\]

PeterPan
 one year ago
Best ResponseYou've already chosen the best response.0Or, if you want a quicker way, neither A nor B is an empty set, so how can it be that A∪B={} or that there are no elements in A or in B?
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.