>>An unfortunate example is Lang's Algebra, where everything is >>obvious, easy and trivial. > > Assertion contrary to fact.
I certainly recall Lang's Algebra as being chock-full of the terms "obvious", "easy" and "trivial", and very often these proofs were not easy for me. But I was young and ignorant back then, and I'm no longer young.
-- Jesse F. Hughes "Through implied infinite iterations of transitive logical implication over the set." -- Sometimes, Tony Orlow is a poet. Usually when he's doing math.