This is Volume VII of seven in a collection of works on Hegel in the Library of Philosophy which was designed as a contribution to the History of Modern Philosophy under the heads: first of Different Schools of Thought-Sensationalist, Realist, Idealist, Intuitivist; secondly of different Subjects-Psychology, Ethics, Political Philosophy, Theology. Originally published in 1969, this volume is a new translation of Hegel's Wissenschaft der Logik.