Joseph A. Goguen Books

Algebraic Semantics of Imperative Programs

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Research Directions in Object-Oriented Programming

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Software Engineering with OBJ Algebraic Specification in Action ADVANCES IN FORMAL METHODS Volume 2 Advances in Formal Methods

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"As well as providing a detailed introduction to the language and the OBJ system that implements it, Software Engineering with OBJ: Algebraic Specification in Action provides case studies by leadin...

Journal of Consciousness Studies Art and the Brain Part II Investigations Into the Science of Art Journal of Consciousness Studies Controversies in Science the Humanities

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Art and the Brain Journal of Consciousness Studies Controversies in Science the Humanities

By Joseph Goguen

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Requirements Engineering: Social and Technical Issues

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The most difficult phase of typical large software projects is establishing which properties the system must have to succeed in the environment in which it will be used. This phase of requirements...

Software Engineering with OBJ

By Joseph A. Goguen, Grant Malcolm

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Software Engineering with OBJ

By Joseph A. Goguen, Grant Malcolm

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.