CSC 156 Spring 2021

CSC 156 Spring 2021 - Homework 2 (100 pts. total)
Assigned Wed Feb 17, due Wed Feb 24

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. Answer the following question and submit either in class or through the HW2 link on Moodle, using the file name "hw2[LastName]", where [LastName] is replaced by your actual last name:
     [15 pts.] Section 1.4: pg.35 Exercise #14 (Also, explain why the argument is valid or not.)
     [15 pts.] Section 1.4: pg.35-36 Exercises #21,28,29 (Explain each in a full sentence.)
     [15 pts.] Section 1.4: pg.36 Exercise #38
     [25 pts.] Section 1.5: Let P(x) be the propositional function "x² < x+3". The domain of discourse is the set of all real numbers. Determine whether each proposition is true or false and explain your answers: (a) P(1) (b) P(3) (c) ∀x P(x) (d) ∃x P(x) (e) ∃x ~P(x)
     [20 pts.] Section 1.5: pg.48-49 Exercises #50,54,77
     [10 pts.] Section 1.5: Let P(x) denote the statement "x is taking a math course". The domain of discourse is the set of all current Adelphi students. For the proposition "Every Adelphi student is not taking a math course.": (a) Write the proposition symbolically. (b) Write the negation of the proposition both symbolically and in words.

Last Modified: 2/15/21