Both the logical reasoning and reading comprehension sections of the LSAT are composed of complex arguments. One of the most fundamental skills an LSAT test-taker needs is to be able to break down ...

Formal logic helps us build and evaluate rational arguments, which helps us to test claims, explain our reasoning, and keep discussions clear. The first step in learning formal logic is learning about ...

Parts of arguments are either true or false—unless they are vague or ambiguous, in which case they are indeterminate. But arguments themselves, taken as a whole, are either valid or invalid. An ...

Our present task is to develop an understanding of practical implication, which is the sense of implication that interests us most in applied logic and the sense of implication we have in mind when we ...

The Internet is teeming with crazies, jerks, and blowhards; and in online forums, debaters are full of passionate intensity. Peruse the comments area on any popular blog, and you’ll find more ...