Introductory examination of the notion of logical validity. Formal features of validity are captured in deductive systems of varying expressive power, beginning with classical propositional logic and ...

The American Naturalist, Vol. 199, Issue. 3, p. 393. Formal logic provides us with a powerful set of techniques for criticizing some arguments and showing others to be valid. These techniques are ...

The following discussion is based on the framework of Campbell and Stanley, [1] in that specific threats to establishing a cause-and-effect relationship (i.e., internal validity) are associated ...

Even this relatively simple circuit arrangement has subtleties that affect performance. In the crisp, clean, theoretical ...

Newsweek spoke with dating expert Charlotte Ball, who shared three key tips for couples preparing to move in together.

A Maricopa County judge has rejected an effort to prevent votes from being counted on a citizen initiative that would change ...

Almost every time Trump gives a speech or answers questions, he poses a challenge to journalistic conventions. “His speeches ...

For months my favorite subjects repeatedly jumped the queue, delaying my intended memo until the U.S. election made it ...

While trying it just as it is will help you fully comprehend all the flavors it offers, there's some valid logic supporting ...

The Uttar Pradesh government informed the Supreme Court that the madrassa education system, which emphasizes religious ...

Logic is the study of arguments and inferences – it therefore has an enormously broad scope. Its main task is to give an explicit characterisation of those arguments and inferences that are valid (and ...