3 The logical picture of the facts is the thought. 3.001 “An atomic fact is thinkable”—means: we can imagine it. 3.01 The totality of true thoughts is a picture of the world. 3.02 The thought contains the possibility of the state of affairs which it thinks. What is thinkable is also possible. 3.03 We cannot think anything unlogical, for...Learn More

1 The world is everything that is the case.* 1.1 The world is the totality of facts, not of things. 1.11 The world is determined by the facts, and by these being all the facts. 1.12 For the totality of facts determines both what is the case, and also all that is not the case. 1.13 The facts in logical space are the world. 1.2 The world divides into...Learn More

4 The thought is the significant proposition. 4.001 The totality of propositions is the language. 4.002 Man possesses the capacity of constructing languages, in which every sense can be expressed, without having an idea how and what each word means—just as one speaks without knowing how the single sounds are produced. Colloquial language is a...Learn More

Mr Wittgenstein’s Tractatus Logico-Philosophicus, whether or not it prove to give the ultimate truth on the matters with which it deals, certainly deserves, by its breadth and scope and profundity, to be considered an important event in the philosophical world. Starting from the principles of Symbolism and the relations which are necessary between...Learn More

DEDICATED TO THE MEMORY OF MY FRIEND DAVID H. PINSENT Motto: ...und alles, was man weiss, nicht bloss rauschen und brausen gehört hat, lässt sich in drei Worten sagen. Kürnberger. PREFACE This book will perhaps only be understood by those who have themselves already thought the thoughts which are expressed in it—or similar thoughts. It is...Learn More