Andrzej Wiśniewski Books

The Posing of Questions

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This book presents a novel approach to the logic of questions. This approach starts from the fact that in many cases arriving at a question resembles coming to a conclusion: there are premises invo...

Essays in logical philosophy

By Andrzej Wisniewski

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Czy jestes moja mama Poglaszcz mnie polish

By Praca Zbiorowa

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Juz czas na zabawe Poglaszcz mnie polish

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Kodeks handlowy

By Poland.

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Kodeks handlowy

By Poland.

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Umowa wydawnicza

By Andrzej Wisniewski

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Nowe wynagrodzenia autorskie

By Andrzej Wisniewski

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Prawo o spolkach

By Andrzej W. Wisniewski

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Wykorzystanie kapilarnej chromatografii gazowej do badania przemian chemicznych weglowodanow i polioli oraz ich ilosciowego oznaczenia w mieszaninach pochodzenia naturalnego

By Andrzej Wisniewski

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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.