Philosophy
The Metaphysics of Abstract Entities and the Existence of Numbers
Quick fact
The philosopher Willard Van Orman Quine argued that we are committed to the existence of numbers because they are indispensable to our best scientific theories—a claim that has shaped decades of debate in the philosophy of mathematics.
Why this is interesting
You use numbers every day, but have you ever wondered: do they exist? Is '2' as real as the chair you're sitting on?