Gizmodo

How can an argument make no sense, but still be valid?

Ah, nothing like a little logical paradox for Christmas. Today we will look at how to make a valid argument—that disagrees with itself and makes no sense. Dive in to the paradox of entailment. When ...
Ars Technica

Getting to QED, Part 1: Informal logic and online argumentation

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 ...
lse

Introduction to Logic

This course is compulsory on the BSc in Philosophy and Economics, BSc in Philosophy, Logic and Scientific Method, BSc in Philosophy, Politics and Economics, BSc in Philosophy, Politics and Economics ...
JSTOR Daily

A Simplified Account of Validity and Implication for Quantificational Logic

This is a preview. Log in through your library . Journal Information The Journal of Symbolic Logic (JSL) was founded in 1936 and it has become the leading research journal in the field. It is issued ...