Modal logic, an extension of classical logic, investigates the modes of truth such as necessity and possibility. Its development has been closely intertwined with advances in proof theory, a field ...

A Harvard professor said Monday he may have uncovered evidence of alien life in the universe and told Americans it would fundamentally change their understanding of their existence. Harvard Professor ...

For over two millennia, mathematicians agreed on one thing: you can’t use trigonometry to prove Pythagoras’ Theorem—because ...

In a new book, the mathematical epidemiologist Adam Kucharski explains how certainty, even in math, can be an illusion. Nonfiction In a new book, the mathematical epidemiologist Adam Kucharski ...

Unicorns roam free in fantasy novels and children’s stories, not so much in the real world, much less the cold, analytical ones of math and philosophy. But it turns out that these logical disciplines ...

For thousands of years, mathematicians have adapted to the latest advances in logic and reasoning. Are they ready for artificial intelligence? By Siobhan Roberts In the collection of the Getty museum ...