Question

Using the rules in logic, write the negation of the following:

p ∧ (q ∨ r)

Answer 1

The negation of p ∧ (q ∨ r) is
∼ [p ∧ (q ∨ r)]
≡ ∼p ∨ ∼(q ∨ r) ..........(Negation of conjunction)
≡ ∼p ∨ (∼q ∧ ∼r) ..........(Negation of disjunction)