What Is In Set Theory?

What Is In Set Theory? Set theory is the mathematical theory of well-determined collections, called sets, of objects that are called members, or elements, of the set. … The axioms of set theory imply the existence of a set-theoretic universe so rich that all mathematical objects can be construed as sets. What is set theory

How Do You Determine If A Sets Is Finite Countably Infinite Or Uncountable?

How Do You Determine If A Sets Is Finite Countably Infinite Or Uncountable? A set is “finite” if it can be placed in 1-1 correspondence with the set of natural numbers <n for some n. … A set is “countable” if it can be placed in 1-1 correspondence with some subset of the natural numbers.