C. Answer the following: 1. Go over the answers to the examples and the exercises in determining whether a given conditional and its converse, inverse, and of any two of the statements? For example, if the conditional is true, contrapositive are true or false Is there any pattern in the truth value why is the converse also true? 2. Is there a statement that cannot be expressed in "if-then" form? If there is, what should it be? 3. Is it possible to give a counterexample for a definition? Why or not? 4. Is it possible to give a counterexample for a property? Why or why not?​