Ken Raeburn wrote: > I'd be surprised to see sources for the other usage. A "Dictionary of mathematics" offers both definitions, first what you found f(x) > f(y) for x > y. Followed by the other definition f(x) >= f(y), where the first case would be called "strictly monotone". I vaguely recall that "strict" (in the German version), it's not completely unusual. Bye, Frank _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf