This is the book I always wanted to read but could not, because no-one had yet written it: an in-depth, comprehensive investigation of Wittgenstein's views on language and logic in the Tractatus. Jaap van der Does combines technical prowess and philosophical sensitivity, and thereby gives us a much needed addition to the many existing introductions. His book provides thoughtful analyses of core conceptions as they appear in the text, investigates their consequences, both formal and philosophical, and, where needed, places them in their historical context.  An invaluable companion for anyone who really wants to master Wittgenstein's early masterpiece.”

Martin Stokhof, University of Amsterdam

I feel at one with your project. I hope that many readers (but fear that few) will have the determination to follow your interpretation or to imitate it. I am sure it is the right way (or one right way) of thinking about the Tractatus..”

Brian McGuinness

A hunderd years ago, October 18th 1911, a still young Wittgenstein rushed into Russell's room to start studying with him. Seven years later he had finished the Tractatus Logico-Philosophicus; a highly orginal ethical deed that involves presenting a logical system in literary fashion.
    My book aims for a strong interpretation of Wittgenstein’s text, both philosophically and technically. It makes clear how Wittgenstein's early views on ethics and logic are related to his symbolic turn. The symbolic nature of contingent propositions is charted in detail, and logical propositions are characterized as empty forms.
    Apart from treating of the relationship between ethics and the symbolic turn, the book gives insight into how objects compare with typed-entities; into the nature of signs in logical space; into the different ways in which the notion of projection can be interpreted; into the nature of truth-operations and how they compare with truth-functions; into the notion of sense for contingent and logical propositions; into the niceties of logical consequence; into substitution in a representation of sense; into how the tractarian system solves Russell's paradox. The finite system is covered but also an infinite generalization that the text just hints at. It is argued that Wittgenstein anticipates the elegant tableaux methods developed much later; his treatment of quantification is shown to be correct.
     Still, all that is of value in life is inversely related to the system and its ontology, which purports to give a clear view on what can be said and what must be passed over in silence.


A more detailed impression of the book’s content can be found here.
this is an interview (in Dutch) that has appeared July 7th, 2011 in the Soester Courant.

Passed over in Silence can be ordered with Amazon. ISBN 978-1-84890-008-0.
Please follow the link for some errata to the book.

To support the study of the Tractatus, the website presents different views on the text.

My book Passed over in Silence, on Ludwig Wittgenstein’s Tractatus Logico-philosophicus and its system, has appeared as Volume 28 in Dov Gabbay’s Studies in Logic, College Publications. Cover-illustrations: Ellis van der Does.