A textbook/software package that covers first-order language in a method appropriate for a wide range of courses, from first logic courses for undergraduates (philosophy, mathematics, and computer science) to a first graduate logic course. It also includes applications for mobile devices, exercises, and a dedicated website.
Dave Barker-Plummer is a senior research scientist at Stanford University's Center for the Study of Language and Information. Jon Barwise (1942-2000) served on the faculties of Yale University, the University of Wisconsin, Stanford University, and Indiana University. John Etchemendy is currently provost and professor of philosophy and symbolic systems at Stanford University.