Answers can be found in the back of the book.Let be a binary relation on a set A. If ther...

Answers can be found in the back of the book.

Let be a binary relation on a set A. If there exist a, b, c ∈ A such that (a, b) ∈ R. (b, c) ∈ , and (a, c) ∈ , then must be transitive.