(1)
(a) 34159 is not a prime number.
(b) Not all roses are red or not all vialets are blue.
(c) If there are no hamburgers, I'll not have a hot dog.
(d) Fred won't go or he will play.
(e) The number x is positive and less than or equal to 10, or both negative and greater than 10.
(f) We will not win the first game and the second.
(2)
(a) T
(b) F
(c) F
(d) F
(e) T
(f) T
(3)
(c)(d)(f)
(4)
(f)