EntityQ2397775· pop 10· linked from 9 articlesKrull's theoremSign in to savetheorem stating that a nonzero ring has a maximal left (or right) idealConnectionsmathematicsEntitydigital object identifierEntityringEntityaxiom of choiceEntityidealEntityring theoryEntityQ22908627EntityZorn's lemmaEntityLondon Mathematical SocietyEntitytransfinite inductionEntityMathematische AnnalenEntitymaximal idealEntityWolfgang KrullEntityzero elementEntitytrivial ringEntityKrull's principal ideal theoremEntitynoncommutative ringEntityCategoriesIdeals (ring theory)Theorems in algebra