For each of the following statements a determine whether it

For each of the following statements, (a) determine whether it is acceptable because it can be known a priori to be true, and (b) explain the basis for your answer.

1- Every aunt is a sister.

2- “I know of no studies that adequately describe what long-range effects slavery had on Africa, a continent where up to 50 million people, mostly males between the ages of fifteen and thirty-five, were forced to migrate to other worlds.” (David Lamb, The Africans [New York: Random House, 1987], p. 149)

3-A percentage is a fraction with 100 as the denominator.

4-Michael Moore was the producer of the film Sicko, which explored issues about medical insurance and the difficulties of uninsured persons.

Solution

1) false, mother\'s sister also we call aunt.

2) false,

3) false, it is multiple of 100.

4) true.