Modern Spanish

Este libro estudia la evolución del discurso catalanista sobre la lengua a lo largo de un siglo (1833-1932). Para ello analiza las ideologías y reivindicaciones lingüísticas de intelectuales representativos.

Throughout the history of art, drawing has always represented the most profound and true expression of artists' visions, the final frontier to prove the depth of their talent. This book is an exploration of several of Colombia's most representative artists' pencil work. In most cases, these sketches are the most basic yet crucial point of an artistic idea that is later completed in another medium—paint, marble, photography, or a computer. A lo largo de toda la historia del arte, el dibujo representa la expresión más profunda y verdadera del artista, la frontera final para probar la...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

La mayoría de números se comportan de acuerdo a reglas sencillas y claras. Por el contrario, los números primos son un auténtico incordio: aparecen donde quieren, sin previo aviso, de forma aparentemente caótica y sin seguir ningún tipo de pauta. Y lo peor de todo es que no podemos ignorarlos: son la esencia de la aritmética y, hasta cierto punto, de toda la matemática. Los números primos tienen algo de virus maléfico, que cuando ataca la mente de un matemático difícilmente lo dejará vivir tranquilo. Euclides, Fermat, Euler, Gauss, Riemann, Ramanujan... con algunos de los genios...