Boolean Expressions Answers

1)	false

2)	true

3)	true

4)	true

5)	false

6)	true

7)	true

8)	false

9)	true

10)	true

11)	true

12)	true

13)	true

14)	true

15)	either p is true or q is false or both

16)	

17)	

18)	no assignments can make the exoression true

19)	

20)	either when p and q are true and r is false,
	or when p is false and r is true, but not both

21)	when one or more of the following holds:
	    p and q are true,
	    p and r are true,
	    p is false and q is true, or
	    p and r are false

22)	no assignment can make the expression true

23)	every assignment makes the expression false

24)	no assignment can make the expression true

25)	a. and c. are equivalent, and b. and d. are equivalent

26)	a. and d. are equivalent, and b. and c. are equivalent

27)	a. b. c. and d. are all equivalent