49 posts

The Twittering Machine: Has Twitter changed the world? This is intended as a potential supplementary reading on this topic, “Has Twitter changed the world?” I think of it as a possible follow up to the previously posted newspaper story that has the potential to suggest to students some ways to broaden the inquiry into the potential and […]


This post includes PowerPoints and exercises about claims. For each claim, students say whether they accept it, reject it or suspend judgement.  Cite some evidence that you have used in evaluating the claim.  Evidence may include facts, personal experience, written sources or the expertise of others whom you trust.

Truth and Validity

“In this video, Julianne Chung of Yale University explains the philosophical concepts of truth and validity before going on to illustrate how truth and falsity, as well as validity and invalidity, can appear in various combinations in an argument.”