“Their books are also different. Works of fiction contain a single plot, with all its imaginable permutations. Those of a philosophical nature invariably include both the thesis and the antithesis, the rigorous pro and con of a doctrine. A book which does not contain its counterbook is considered incomplete.” AntithesisBorgesCounterbookImaginable PermutationsOrbis TertiusTlönUqbar Book:Everything and Nothing Source: Everything and Nothing