Practice excercise 1 1 point possible ungraded Select the answer from the choices below multiple selection is possible After you select an answers click the submit button to check your answers Select the correct negation of the following statements is a rational number is not a negative integer and is a prime number is not a rational number is a rational number is a negative integer is not a negative integer is a not prime number is a prime number unanswered Submit Some problems have options such as save reset hints or show answer These options follow the Submit button Practice excercise 2 1 point possible ungraded Let is an odd number Let is a prime number Which of the following statment is correct about and T F F T F T T F unanswered Submit Some problems have options such as save reset hints or show answer These options follow the Submit button Practice excercise 3 1 point possible ungraded Let is an even number Let is a prime number Which of the following is the truth value of and is correct T F F T T F T F unanswered Submit Some problems have options such as save reset hints or show answer These options follow the Submit button Practice excercise 4 1 point possible ungraded Let and be statements such that is true Which of the following is always true unanswered Submit Some problems have options such as save reset hints or show answer These options follow the Submit button A proposition or statement is a sentence which has a truth value is true if and only if is true and is true is false if and only if both and are false is false if and only if is true and is false is false if and only if and have different truth values The truth value of is F if is T and T if is F