Roberto Cignoli Books

Algebraic Foundations of Many Valued Reasoning Trends in Logic

By Daniele Mundici, Roberto Cignoli, I.M. D Ottaviano, R.L. Cignoli

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Algebraic Foundations of Many Valued Reasoning

By Roberto L. O. Cignoli

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This unique textbook states and proves all the major theorems of many-valued propositional logic and provides the reader with the most recent developments and trends, including applications to adap...

Introduction to Functional Analysis

By Roberto Cignoli, Mischa Cotlar

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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.