Use the definition of entailment to determine which of the following are correct: Anwser all

a. False True. b. True False. j. (A B) (A B) is satisfiable. k. (A B) (TA V B) is satisfiable. I. (A # B) # C has the same number of models as (A # B) for any fixed set of proposition symbols that includes A, B, C