This book traces the development of formal logic from its origins in ancient Greece to the present day. The authors first discuss the work of logicians from Aristotle to Frege, showing how they were influenced by the philosophical or mathematical ideas of their time. They then examine developments in the present century.

Excerpt from Les Etapes de la Philosophie Mathematique Nous voudrions indiquer maintenant comment notre enquete historique nous a guide vers les conclusions que nous avons soutenues dans les dernieres pages de notre travail. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the (...) aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. (shrink)

Excerpt from Histoire du Cartesianisme en Belgique Ainsi on y traite de la substance, de l'accident, de la quantite, de la qualite, de la relation, etc. On y enseigne que les corps sont composes de matiere et de forme 2; qu'ils se divisent en simples et mixtes: que les corps simples sont les uns elemen taires (eau, terre, feu, air), les autres celestes (empyree, premier mobile, neuvieme sphere, etc.) 3. Nous y relevons notamment l'affirmation de la distinction reelle des accidents (...) et de la substance, appuyee sur la doctrine theologique de l'eucha ristie 4, la notion de quantite a trois dimensions signifiee par l'appellation de corps, mais avec une remarque sur l'impro priete de ce nom 5. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. (shrink)