(Choose 1 answer)
(See picture)
A. (i)
B. (iv)
C. (iii)
D. None of the other choices is correct
E. (ii)
Suppose L(x, y) is the statement
"x buys Christmas gifts for y",where x and y are members of a family.
Translate the statement into logical expression
"Each family member buys Christmas gifts for any other member but not for himself or herself"
(i)x(L(x, x))
(ii) x(L(x, x))
(iii) x(vyL(x, y))
(iv) x(y((y≠ x) ↔ L(x, y)))
E38
