Set theory is a mathematical abstract concerned with the grouping of sets of numbers that have commonality. For example, all even numbers make up a set, and all odd numbers comprise a set. All numbers ...

You're currently following this author! Click to unsubscribe from email alerts. We recently wrote about how infinitely large sets are not all the same size as each other, but we were a bit vague about ...

Descriptive set theorists study the niche mathematics of infinity. Now, they’ve shown that their problems can be rewritten in the concrete language of algorithms.