A′ is A complement.
Let A, B, and C be sets. Show that
Suppose that A is the set of sophomores at your school and B is the set of students taking discrete mathematics at your school. Express each of these sets in terms of A and B.
a) the set of sophomores taking discrete mathematics in your school
b) the set of sophomores at your school who are not taking discrete mathematics
c) the set of students at your school who either are sophomores or are taking discrete mathematics
Use these symbols:
Discrete Mathematics Basics
1) Find out if the relation R is transitive, symmetric, antisymmetric, or reflexive on the set of all web pages.where if and only if
I)Web page a has been accessed by everyone who has also accessed Web page b.
II) Both Web page a and Web page b lack any shared links.
III) Web pages a and b both have at least one shared link.
In how many ways can a 10-question true-false exam be answered? (Assume that no questions are left blank)