1.1.1Which of the following are propositions?
(Solution, 99hertz )

1.1.2 Make truth tables for each of the following propositional forms.
(Solution, bspang)

1.1.3 If P, Q, and R are true while S and T are false, which of the following are true
(Solution, nikhilm92, sausagegobbler, jamesdthomson)

1.1.4 Which of the following pairs of propositional forms are equivalent?
(Solution, yottayottayottabyte, sausagegobbler)

1.1.5Use propositions A, B, and C to write the propositional form of each of the following. Decide which are true
(Solution, sausagegobbler, jamesdthomson )

1.1.6 P, Q, and R are propositional forms, and P is equivalent to Q, and Q is equivalent to R. Prove the following.
(Solution not available yet; Hint)

1.1.7 Let P be the sentence “Q is true” and Q be the sentence “P is false.” Is P a proposition? Explain.
(Solution, nikhilm92, jamesdthomson)

1.1.8 Determine whether each of the following is a tautology, a contradiction, or neither. Prove your answers
(Solution, Druzil)

1.1.9 Suppose A is a tautology and B is a contradiction. Are the following tautologies, contradictions, or neither?
(Solution, sausagegobbler, nikhilm92)

1.1.10 Give a useful denial of each statement.
(Solution, QuantumFX)

1.1.11 Restore parentheses to these abbreviated propositional forms.
(Solution, mattde)