Mathematical logic and set theory provide the foundational language for modern mathematics, articulating precise notions of proof, computability and the hierarchy of infinities. Central themes include ...

The William Reinhardt Memorial Lecture in the Philosophy of Mathematics was founded to commemorate the life of William Reinhardt, Professor of Mathematics at the University of Colorado from 1967 until ...

The original version of this story appeared in Quanta Magazine. All of modern mathematics is built on the foundation of set theory, the study of how to organize abstract collections of objects. But in ...