Discrete Mathematics Reading Worksheet 2.3 Answer all questions on another sheet of paper. You do not need to print out or recopy the questions. Please skip lines and write legibly 1. Describe step-by-step how to check for the validity of an argument form 2. a) In the following argument form, which are the premises? b) What is the conclusion? c) Construct a truth table for the premises and the conclusion c) Explain how you know that the argument is valid (3) p-r 3. What do we call an argument form that consists of two premises and a conclusion? Look at the table of valid argument forms (also called rules of inference) on page 61 a) What is the name of the argument form can be considered as reasoning from the 4. contrapositive? b) If assuming that the negation of a statement leads to a contradiction, what can we conclude? c) What is the conclusion you can draw from the premises (p v q) and q? d) Make a truth table to show that division into cases is a valid argument. 5. What is a fallacy? 6. Name three different types of fallacies 7. What is a sound argument? 8. It is possible to make a valid argument with a false premise and a false conclusion. Look at the example given in the textbook. Create your own example 9. It is possible to make an invalid argument with true premises and a true conclusion Look at the example given in the textbook. Create your own example 10. If the premises of an argument are true, and the argument form is valid, what can be said about the conclusion