Showing 4 Result(s)

CRITICAL THINKING – Fundamentals: Soundness [HD]

In this video, Aaron Ancell (Duke University) discusses the philosophical concept of soundness. After reviewing validity, he defines soundness: an argument is sound when it is valid and has all true premises. He reviews a few examples of sound and unsound arguments, and he encourages you to develop sound arguments on your own. Help us …

CRITICAL THINKING – Fundamentals: Validity [HD]

In this Wireless Philosophy video, Paul Henne (Duke University) discusses the philosophical concept of validity. After reviewing the structure of an argument, he defines validity: an argument is valid if and only if its premises guarantee the conclusion. He reviews a few examples of validity and invalidity, and he leaves you with one example to …

CRITICAL THINKING – Fallacies: Ad Hominem [HD]

In this video, Paul Henne (Duke University) describes the ad hominem fallacy, which is an informal fallacy that arises when someone attacks the person making the argument rather than their argument. He also describes the four subtypes of this fallacy. Help us caption & translate this video! http://amara.org/v/Fo66/ source