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 is a second course in symbolic logic. Our course presupposes you have had a first course in symbolic deductive logic, such as Sac State's PHIL 60, or CSC 28, or you have learned this material on ...

We began this course by defining an ARGUMENT as a connected series of claims intended to ESTABLISH the TRUTH of one major claim, the conclusion. We also acknowledged that SOME CLAIMS ARE TRUE (or ...

Synthese, Vol. 192, No. 4, Special Section on PEIRCE'S LOGIC AND PHILOSOPHY OF LANGUAGE (April 2015), pp. 1157-1171 (15 pages) We can distinguish two non-equivalent ways in which a natural language ...