Chapter 7, Level 2 Self-Quiz: E

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

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

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

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

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

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