Ioannis Spiliopoulos holds a PhD in Philosophy from the National and Kapodistrian University of Athens on Wittgenstein’s philosophy.

• Acknowledgments; Preface; Introduction; Part A: Sense- The Trunk of the Tree; 1 Formulation of the Main Problem; 2A Proposition Is a Logical Picture of a Fact; 3 The World; 4Propositions as Truth-Functions; 5Two Applications of the Say/Show Distinction; 6 Wittgenstein’s Notation in Contrast to the Frege/Russell Notations; 7 The Metaphysical Subject (As Thinking Subject); 8General Propositional Form; 9 Philosophy—Elucidations; 10 Numbers, Logical Propositions, Mathematical Propositions, General Propositions (Principles) of Science; Part B: Value - The Major Branches; 11 Ethics Introduction; 12Moral Reward and Punishment; 13 The Moral Prototype; 14 The Metaphysical Subject as Willing Subject and as Thinking Subject; 15Ethics and Aesthetics are One; 16Solipsism; 17Mysticism and Science; 18 The Nonsense Paradox; 19The Lecture on Ethics; 20 Kant and Early Wittgenstein; Conclusion; Bibliography; Index

“The Tractatus is a difficult book. Readers often miss the point of its brief and dense remarks, fail to appreciate their order, cannot connect the logical part with the ethical. The book at hand offers the satisfaction of understanding by dispelling the obscurity and bringing the work’s underlying logic and unity into sharp relief.” —Vasso Kindi, University of Athens, Greece.“Ioannis Spiliopoulos shows in an illuminating way and via the picture of a tree how the first and scientific part about sense serves as the necessary foundation for the second part about value which ought to be seen as the ethical and thus higher part. Insofar, Spiliopoulos writes in the spirit of Wittgenstein’s remark to Ludwig von Ficker about the deeper meaning of the Tractatus.” —Ilse Somavilla, Universität Innsbruck, Austria.