Try It Now
Exercises
- Let A = {0, 2, 3}, B = {2, 3}, C = {1, 4}, and let the universal set be U = { 0, 1 , 2 , 3 , 4 }. List the elements of:
- List all two-element sets in
.
- How many singleton (one-element) sets are there in
if |A| = n ?
- Let A = {+ , −} and B = {00, 01, 10, 11}.
- List the elements of A × B
- How many elements do A4 and (A × B)3 have?
- Let A and B be nonempty sets. When are A × B and B × A equal?
Source: Al Doerr and Ken Levasseur, http://faculty.uml.edu/klevasseur/ads-latex/ads.pdf This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License.