EXERCISES SET 2 For Exercises 1 to 5, identify what is wrong in each the following sentences/ expressions: 1. 2 CN 2. (2, 3) Ef, fis a function 3. x Let P: The sun is shining. Q: It is raining. R: The ground is wet. 39Mathematics in the Modern World 30. If it is raining, then the sun is not shining. CH 31. It is raining and the ground is wet. 32. The ground is wet if and only if it is raining and the sun is shining. 33. The sun is shining or it is raining. 34. The ground is not wet. 35. The ground is not wet if and only if the sun is shining. For Exercises 36 to 40, give the converse, inverse, and contrapositive of the following implications. 36. If n is an irrational number then it is a number that goes on forever. number. 37. If x is the height of a box then it is a positive 38. If the year 2020 is a leap year then there has to be 366 days in that year. number. 39. If i is a complex number then it is not a real 40. If x is less than 0 then it is negative. the