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Foundations of Mathematics

Set Theory

What is a universal set?

A universal set actually applies to sets that are not universal, but are chosen from a specific type of entity, such as sets of numbers or letters. Thus, the set of all the elements in a set theory problem are collectively called the universal set. In reality, the “set of all things” does not exist because there is no largest or all-inclusive set, and so the true universal set is not recognized in standard set theory.



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