2024-2 Frege and Russell Midterm Exam#3)(A) It is widely known that Russell’s paradox of classes had fatal consequences for naive set theory. Suppose {z: z ∉ z}, i.e., the set of all objects that are not members of themselves, exists. We then immediately encounter a contradiction, as follows:Call this set A, and ask “is A a member of itself?” If A ∉ A, then A meets the entrance requirement for A..