Use truth tables to determine whether the argument forms in 6- 11 are valid. indicate which columns represent the premises and which represent the conclusion, and include a sentence explain- ing how the truth table supports your answer. your explanation should show that you understand what it means for a form of argument to be valid or invalid. 6. 7. p .pvq .. r 8. pvq 9. bvd pr . r d b
10. pr qr pvq > r