front cover of The Concept of Logical Consequence
The Concept of Logical Consequence
John Etchemendy
CSLI, 1990

logo for Harvard University Press
The Concept of Logical Consequence
John Etchemendy
Harvard University Press, 1990

front cover of Language, Proof, and Logic
Language, Proof, and Logic
Second Edition
Dave Barker-Plummer, Jon Barwise, and John Etchemendy
CSLI, 2011

Language Proof and Logic is available as a physical book with the software included and as a downloadable package of software plus the book in PDF format. The all-electronic version is available from Openproof at gradegrinder.net.

The textbook/software package covers first-order language in a method appropriate for first and second courses in logic. An on-line grading services instantly grades solutions to hundred of computer exercises. It is designed to be used by philosophy instructors teaching a logic course to undergraduates in philosophy, computer science, mathematics, and linguistics.

Introductory material is presented in a systematic and accessible fashion. Advanced chapters include proofs of soundness and completeness for propositional and predicate logic, as well as an accessible sketch of Godel's first incompleteness theorem. The book is appropriate for a wide range of courses, from first logic courses for undergraduates (philosophy, mathematics, and computer science) to a first graduate logic course.

The software package includes four programs:

Tarski's World, a new version of the popular program that teaches the basic first-order language and its semantics;

Fitch, a natural deduction proof environment for giving and checking first-order proofs;

Boole, a program that facilitates the construction and checking of truth tables and related notions (tautology, tautological consequence, etc.);

Submit, a program that allows students to submit exercises done with the above programs to the Grade Grinder, the automatic grading service.

Grade reports are returned to the student and, if requested, to the student's instructor, eliminating the need for tedious checking of homework. All programs are available for Windows and Macintosh systems. Instructors do not need to use the programs themselves in order to be able to take advantage of their pedagogical value. More about the software can be found at gradegrinder.net.

The price of a new text/software package includes one Registration ID, which must be used each time work is submitted to the grading service. Once activated, the Registration ID is not transferable.

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front cover of Logical Reasoning with Diagrams and Sentences
Logical Reasoning with Diagrams and Sentences
Using Hyperproof
Dave Barker-Plummer, Jon Barwise, and John Etchemendy
CSLI, 2016
The Logical Reasoning with Diagrams and Sentences courseware package teaches the principles of analytical reasoning and proof construction using a carefully crafted combination of textbook, desktop, and online materials. This package is sure to be an essential resource in a range of courses incorporating logical reasoning, including formal linguistics, philosophy, mathematics, and computer science.

Unlike traditional formal treatments of reasoning, this package uses both graphical and sentential representations to reflect common situations in everyday reasoning where information is expressed in many forms, such as finding your way to a location using a map and an address. It also teaches students how to construct and check the logical validity of a variety of proofs—of consequence and non-consequence, consistency and inconsistency, and independence—using an intuitive proof system which extends standard proof treatments with sentential, graphical, and heterogeneous inference rules, allowing students to focus on proof content rather than syntactic structure. Building upon the widely used Tarski’s World and Language, Proof and Logic courseware packages, Logical Reasoning with Diagrams and Sentences contains more than three hundred exercises, most of which can be assessed by the Grade Grinder online assessment service; is supported by an extensive website through which students and instructors can access online video lectures by the authors; and allows instructors to create their own exercises and assess their students’ work.

Logical Reasoning with Diagrams and Sentences is an expanded revision of the Hyperproof courseware package.
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front cover of Tarski's World
Tarski's World
Revised and Expanded
David Barker-Plummer, Jon Barwise, and John Etchemendy
CSLI, 2004
Tarski’s World is an innovative and exciting method of introducing students to the language of first-order logic. Using the courseware package, students quickly master the meanings of connectives and qualifiers and soon become fluent in the symbolic language at the core of modern logic. The program allows students to build three-dimensional worlds and then describe them in first-order logic. The program, compatible with Macintosh and Windows formats, also contains a unique and effective corrective tool in the form of a game, which methodically leads students back through their errors if they wrongly evaluate the sentences in the constructed worlds.

A brand new feature in this revised and expanded edition is student access to Grade Grinder, an innovative Internet-based grading service that provides accurate and timely feedback to students whenever they need it. Students can submit solutions for the program’s more than 100 exercises to the Grade Grinder for assessment, and the results are returned quickly to the students and optionally to the teacher as well. A web-based interface also allows instructors to manage assignments and grades for their classes.

Intended as a supplement to a standard logic text, Tarski’s World is an essential tool for helping students learn the language of logic.
 
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