Discover how the rigorous principles of Soviet math education are experiencing a revival in the US, with parents investing in ...

Although a typical mathematical task has a single correct answer, in some cases, the assumptions of a proposition determine its truth. Such relativity of truth plays a major role in the development of ...

Reverse mathematics is a framework for analysing the minimal axioms required to prove mathematical theorems by working within subsystems of second-order arithmetic. Its central concern is to establish ...

Reverse mathematics investigates which axioms are necessary to prove particular theorems by working within subsystems of second-order arithmetic. Central to this programme are well-ordering principles ...