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 ...

Speak like an insider! Welcome to Snopestionary, 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 red ...

Columnist Byron York commits the “proof by example” fallacy in his Aug. 23 column. He uses a single case to generalize. Yes, the ability of a Peruvian murderer to enter the country and live here ...

I don’t mean to pick on Dargan Pete again, but his Jan. 15 column is a classic example of the “straw man” logical fallacy. For those readers who didn’t have a secondary school English class unit on ...

Jonah Goldberg commits the basic logical fallacy of “two wrongs make a right.” President Bush’s may not be “the most radical presidency we have ever had,” and Bush may be matched in his transgressions ...