Ah, nothing like a little logical paradox for Christmas. Today we will look at how to make a valid argument—that disagrees with itself and makes no sense. Dive in to the paradox of entailment. When ...

For regulars at Ars Technica, the forums are as much a part of the site’s identity as the articles. And where there are forums, there are flame wars. The BattleFront is infamous for its contentious ...

Yuri Arcurs peopleimages.com / Getty Images/iStockphoto When I was in college, I remember naively signing up for a course called “Introduction to Logic.” It turned out to be one of the greatest ...

This week's post is the first in a series that will provide you with a complete overview of LSAT content and the basic skills you will need to perform your best on it. This first installment will ...

For the majority the most convincing speaker in a debate is the loudest, most wildly gesticulating person. Validity of his argument be damned. Welcome to populist politics in Pakistan and around the ...

Using Aristotle's dialectic to define Aristotle's dialectic. Dialectic, unlike logic, is concerned with particular individuals with whom we are engaged with in argument. The argument proceeds by ...

I think it is both possible and necessary for people to disagree with each other constructively on important matters. All perspectives deserve to be patiently heard, regardless of how egregious they ...

Originally published on Sept. 25, 2018. In a world of divisive politics, rhetoric and debate, author Eugenia Cheng has the secret to winning an argument: mathematical logic. Cheng, a mathematician and ...