Step-by-step explanation:
Note, the symbol ∧ is the and conjunction and is used when all the statements (eg A and B) are true. While ∨ is the disjunction symbol, it is used when any one of the statements (A or B) is true, or both statements are true.
a) p ∧ q
b) p ∧ -q
c) (p ∨ q)
d) r ∧ (p ∨ q)
e) (r ∧ p) ∧ q
f) (r ∧ p) -q