There is no statutory requirement that formal logic be adhered to during examination of patent claims. Examiners and patent practitioners are free to use a wide variety of discussion and argument ...

An informal fallacy is an attempt at making a logical argument where there’s a failure in the reasoning itself. This can stem from a number of causes, such as the misapplication of words and phrases, ...

Logic and negotiations, for example, often do not go together. While many people might proclaim they are being rational, the complications are multiple opinions about what is true and convictions ...

To persuade you, people often try to use logical fallacies (Credit: Javier Hirschfeld) When people are trying to persuade you, they sometimes reach for underhand tricks like the 'appeal to ignorance' ...

If you know the enemy and know yourself, you need not fear the result of a hundred battles. —Sun Tzu Source: Viktor Vasnetsov/Wikimedia Commons (Public Domain) The enemies of rational thought can take ...

As the holidays approach you will probably get into political and cultural debates with family and friends. We at Snopes have put together a guide on the nature of fallacies, particularly false ...

Speak like an insider! Welcome to Snopes-tionary, where we'll define a term or piece of fact-checking lingo that we use on the Snopes team. Have a term you want us to explain? Let us know. The "straw ...