New versions of papers available

New versions of three papers by Atish Bagchi and myself are available at http://www.cwru.edu/CWRU/Dept/Artsci/math/wells/pub/papers.html The papers are Varieties of Mathematical Prose Graph Based Logic and Sketches I: The General Framework Graph Based Logic and Sketches II: Finite Product Categories and Equational Logic Charles Wells, 105 South Cedar Street, Oberlin, Ohio 44074, USA. EMAIL: cfw2@po.cwru.edu. HOME PHONE: 216 774 1926. FAX: Same as home phone. HOME PAGE: URL http://www.cwru.edu/CWRU/Dept/Artsci/math/wells/home.html "Some have said that I can't sing. But no one will say that I _didn't_ sing." --Florence Foster Jenkins