Answer to Question #76358 in Discrete Mathematics for H

Discrete Mathematics

Question #76358

Prove that for all sets A and B:
A⊆B ⇐⇒ A∪B=B.

Expert's answer

Download Answer

Learn more about our help with Assignments: Discrete Math

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. How many ways can you assign 4 caretakers each of which look after 2 lighthouses for a year (for a t
2. How many ways can you assign 4 caretakers each of which look after 2 lighthouses for a year (for a t
3. Find a generating function in closed form for the sequence: {1,2,3,4,1,2,3,4,1,2,3,4,...}
4. How many permutations of the 26 letters of our alphabet do not contain any of the three strings &quo
5. Let X be a non-empty set, and let R be an equivalence relation on X. Let C be the set of all equival
6. Let X = {1,2,3}. Define a relation ∼ on P(X) by A ∼ B if A and B have the same number of element
7. Let X be a non-empty set, and let R be an equivalence relation on X. Let C be the set of all equival