- HW № 17 (due date is Wednesday, December 19th) - Last Homework Assignment
pages 398-399 / 3, 9, 20
- HW № 16 (due date is Wednesday, December 12)
pages 334-335 / 2, 7, 11, 25
pages 360-361 / 3, 5(d), 19
- HW № 15 (due date is Monday, December 3rd)
pages 229-230 / 2(b), 4(b), 5(b), 6, 8(c), 10, 15, 24(c,d)
- HW № 14 (due date is Monday, November 26th)
pages 217-218 / 2(c,d), 4(b,d,e), 12, 20(b,d), 24
- HW № 13 (due date is Monday, November 19th)
page 209 / 16(c,b), 18, 20, 26(c,b), 28
- HW № 12 (due date is Wednesday, November 14)
pages 177-178 / 38, 54
pages 208-209 / 6, 10(b,e)
for yourselves (not for grade): p. 208/3.
- HW № 11 (due date is Monday, November 12)
page 177 / 2(b),4,6
page 178 / 36
- HW № 10 (due date is Wednesday, November 7)
page 146-147/34,
peoblem 1: f:R->R, f(x)=x5-3. Is f invertible? It yes, what is its inverse?
problem 2: f:Z->Z, g:Z->Z and f(x)=x2+1, g(x)=2x. Find f•g and g•f.
problem 3: graph f(x)=2x2-4, f:Z->Z.
- HW № 9 (due date is Monday, November 5)
pages 146-147/4(a), 10(b), 12(b), 18(a,b), 22, 26(b)
- HW № 8 (due date is Monday, October 22)
pages 130-131/4, 14, 20(use laws), 26 (for the picture I gave you in class), 30(b), 50(b), problem1: Let set A be the set in problem 50 from a), let set B be the set in problem 50 from b). Find a bit-string for A∩B.
- HW № 7 (due date is Wednesday, October 17)
pages 119-120/ 4, 6, 8(c,d,e,f), 18(d), 28(c), problem1: Find the power set (and the cardinality of the power set) of the set {1,2}
- HW № 6 (due date is Wednesday, October 10)
pages 72-74/ 8, 16, 20(a), 30
- HW № 5 (due date is Wednesday, October 10)
exrecise 1: Write the sentence using quantifiers, logical connectives and math. operators. Domain: all integers. "The sum of two positive integers (each integer is greater than 1) is less than or equals to their product".
pages 58-59 / 6(e), 10(b,c,e,i), 20(b).
- HW № 4 (due date is Wednesday, October 3)
exercise 1: Show that ¬
x(P(x)/\Q(x)) and
x(P(x) —> ¬Q(x)) are logically equivalent.
page 46 / 2(a), 12(a,d,e,f), 18(a,b,c,e).
- HW № 3 (due date is Monday, September 24)
pages 18-20 / 57
pages 28-29 / 6, 10(c), 12 (also only for problem 'c' from exercise 10), 16 (use laws to prove it, not truth tables), 30.
- HW № 2 (due date is Monday, September 17)
pages 18-20 / 16(a,d), 38(b,c,d), 52
(for those who don't have a book: page18-problem16.jpg, page19-problem38.jpg, page20-problem52.jpg)
- HW № 1 (due date is Wednesday, September 5)
pages 16-19 / 4(a,c,h), 8(f), 12(b,c), 24(a), 28(b,d), 32(c)
the following probles are not for grade, just for yourselves: 1, 9
(for those who don't have a book: page16.jpg, page17.jpg, page18.jpg, page19.jpg)
