Question

Exercise 3.9. Draw Venn Diagrams to convince yourself of the following facts: (Thus, AC B An B -ø, ie. they're logically equivalent statements. We could have used either one as a definition of what it means to be a subset!) c Similarly, convince yourself that ACB iff AnB-A (Recall that "iff", " ㈠ ", and "is logically equivalent to" all mean the same thing)

Answer 1