Wolfgang Spohn Books

The first reference on rationality that integrates accounts from psychology and philosophy, covering descriptive and normative theories from both disciplines.Both analytic philosophy and cognitive...

Laws of Belief

By Wolfgang Spohn

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Die Bedeutung von Bedeutung.

By Hilary Putnam, Wolfgang Spohn

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Die Bedeutung Von Bedeutung

By Wolfgang Ubersetzt Von Spohn, Hilary Putnam, Wolfgang Spohn

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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.