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 ...

"If you know your enemies and know yourself, you will not be imperilled in a hundred battles." —Sun Tzu, The Art of War The enemies of rational thought can take one of several overlapping forms, ...

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 ...

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' ...