This volume contains a variety of problems from classical set theory and represents the first comprehensive collection of such problems. Many of these problems

From the reviews: "The work is one of the real classics of this century; it has had much influence on teaching, on research in several branches of hard analysis

Even the simplest mathematical abstraction of the phenomena of reality the real line-can be regarded from different points of view by different mathematical dis

A look at solving problems in three areas of classical elementary mathematics: equations and systems of equations of various kinds, algebraic inequalities, and