An introduction to the structure of deductive arguments, how to evaluate them, and why a bad argument doesn’t necessarily ...

Life is full of logical arguments. Logical arguments are simple chains of statements people make to explain something they believe or notice about themselves, other people or the world at large. For ...

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 ...

To persuade you, people often try to use logical fallacies (Credit: Javier Hirschfeld) When people are trying to persuade you, they sometimes reach for underhand tricks like the 'appeal to ignorance' ...

Forbes contributors publish independent expert analyses and insights. I cover behavioral economics, decision-making, finance and philosophy. Alternative facts and sloppy thinking. Either one can ...