Introduction, PART I. THE DEFINITE LANGUAGE I A. Rules of Formation for Language I B. Rules of Transformation for Language I C. Remark s on the Definite Form of Language PART II. THE FORMAL CONSTRUCTION OF THE SYNTAX OF LANGUAGE I PART III. THE IN DEFINITE LANGUAGE II A. Rules of Formation for Language II B. Rules of Transformation for Language II C .Rules of Consequence for Language II, D . Further Development of Language II PART IV. GENERAL SYNTAX, A. Object- Language and Syntax-Language B. The Syntax of any Language PART V. PHILOSOPHY AND SYNTAX A. On the Form of the Sentences Belonging to the Logic of Science B The Logic of Science as a Syntax