Question: 4
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
Let C(x) "x has a cat,"
D(x)
"x has a dog,"
F(x) "x has a ferret."
Let the domain consist of all students in your class.
Express the sentence
"All students in your class have a cat, a dog, or a ferret."
in terms of C(x), D(x), F(x), quantifiers, and logical connectives.
(i)
3x C(x) v D(x) V F(x)
(ii)
Ex-C(x) AD(x) A ¬F(x)
(iii)
Vx C(x) V D(x)V F(x)
(iv) Vx-C(x) A¬D(x) A ¬F(x)