Serving as editor of a major journal in any discipline can make one cynical. I read many years ago a quote from a mathematics editor that a large fraction of pu

Serving as editor of a major journal in any discipline can make one cynical. I read many years ago a quote from a mathematics editor that a large fraction of published proofs were faulty, and from a computer science editor that a large fraction of published theorems were false. (My foggy memory gives 1/2 and 1/3 for the fractions, but I don't remember which was which.)