refer to the following formula: (∃x)[(Ax • ∼Bx) • ∼(Cx $ \lor $ Dx)]
-Which of the following variables in the formula are free?
A) The x that follows the A.
B) The x that follows the B.
C) The x that follows the C.
D) All of the above.
E) None of the above.

Question

Quizplus · Accepted Answer

In the given formula, the variable x is bound by the existential quantifier (∃x) at the beginning of the formula. This means that all instances of x within the scope of this quantifier are considered bound, not free.

Refer to the Following Formula: (∃X)[(Ax • ∼Bx) • ∼(Cx ∨ \lor ∨

Refer to the Following Formula: (∃X)[(Ax • ∼Bx) • ∼(Cx $\lor$