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 ...

The following argument appears to be valid and to have true premises; yet its conclusion is false. If Paul has one daughter and two sons, then Paul has to have at least one son. Paul has one daughter ...

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 ...

The article on fees at the University of Toronto's law school adds no credible argument to this debate (Doubling Of Law School Fees Urged -- Feb. 5). What is the logical comparison between a professor ...

The traditional view that all logical truths are metaphysically necessary has come under attack in recent years. The contrary claim is prominent in David Kaplan's work on demonstratives, and Edward ...

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 ...

LSAT test-takers often complain that the test is too abstract and impractical. Outside of the logic games section, no one will ever make you frantically diagram which of the campers Aaron, Betsy and ...