Quanta Magazine

With Category Theory, Mathematics Escapes From Equality

The equal sign is the bedrock of mathematics. It seems to make an entirely fundamental and uncontroversial statement: These things are exactly the same. But there is ...
Wired

Is the Equal Sign Overrated? Mathematicians Hash It Out

The equal sign is the bedrock of mathematics. It seems to make an entirely fundamental and uncontroversial statement: These things are exactly the same. But there is ...