All advertisements aim at persuasion. For example, imagine that Brand X cola claims to be the most refreshing drink. Simply stating this isn't very convincing, so a Brand X advertisement features a ...

Catalog description: Introduction to deductive logic. Topics include: basic concepts of deductive logic; techniques of formal proof in propositional and predicate logic. 3 units. Prerequisites: No ...

Arguments are attempts to persuade by providing reasons (or premises or propositions) in support of a particular claim (or conclusion). In a deductive or ‘truth-preserving’ argument, the conclusion ...

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 ...

Argument: A kind of rationale in which the reason(s) are intended to be taken as evidence for believing the conclusion.. Branch: One of multiple chains in a rationale that lead to the same conclusion.

Philosophy of science treats knowledge as ever-evolving, rather than fixed in place. Scientific theories do not need to ...