CSC 156 Spring 2021 - Homework 3 (100 pts. total)
Assigned Mon Mar 22, due Mon Mar 29
1. Complete the reading assignment & practice exercises from the course calendar for each section BEFORE starting the graded problems listed below for that section.
2. [10 pts.]Complete the Mid-Course Survey on Moodle.
3. Answer the following questions, show ALL calculations, and submit either in class or through the HW3 link on Moodle, using the file name "hw3[LastName]", where [LastName] is replaced by your actual last name:
Section 3.2
[20 pts.] Section 3.2 (p.137) #23-30
[10 pts.] Section 3.2 (p.140) #142b,e
[10 pts.] Section 3.2 (p.140) #147
Section 3.3
[30 pts.] Exercise 1a: Section 3.3 (p.150) #21(for18), 23. For #23, explain your answer in one or more full sentences.
[10 pts.] Exercise 1b: A relation R on the set X is irreflexive if for every x ∈ X,
(x,x) ∉ R. That is, R is irreflexive if no element in X is related to itself.
Is the relation in Exercise 1a irreflexive? Answer yes or no, and explain your answer in a full sentence.
[10 pts.] Exercise 1c: A relation R is called asymmetric if (x,y) ∈ R implies that (y,x) ∉ R. Is the relation in Exercise 1a asymmetric? Answer yes or no, and explain your answer in a full sentence. [Note: The words asymmetric and antisymmetric have different meanings.]
Last Modified: 3/17/21