Frontmatter -- List of Propositions -- List of Corollaries -- List of Definitions -- Acknowledgements -- Contents -- Introduction -- PART 1: "SYMBOL SYSTEMS" IN TEXTS -- PART 2: CONCEPTUAL FRAMEWORKS AND "SUBLANGUAGES" BEHIND TEXTS -- PART 3: HOW WE PERCEIVE TEXTS: STEPS TOWARD AN ALTERNATIVE MODEL -- PART 4: TOWARD A FORMAL MODEL OF TEXTS -- Postscript -- APPENDIX I: Toward a Typology of More-or-Less "Incommensurable" Systems -- APPENDIX II: Metaphor and Metonymy -- APPENDIX III: Catastrophe Theory -- References -- Index