Chapter 7, Level 1 Self-Quiz: E

. Create a truth table to determine whether the following is a contingent statement, a tautology, or a self-contradiction.
(P ⊃ ~ P) ⊃ Q

. Create a truth table to determine whether the following is a contingent statement, a tautology, or a self-contradiction.
~ (R · ~ R) ⊃ ~ (S ⊃ ~ S)

. Create a truth table to determine whether the following is a contingent statement, a tautology, or a self-contradiction.
P ⊃ P

. Create a truth table to determine whether the following is a contingent statement, a tautology, or a self-contradiction.
(R · ~ R) ⊃ (S ⊃ ~ S)

Back to top