Source:2.2: Rings (Webpage)

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2.2: Rings (Webpage)
Instance of web page
Author(s) Michael Janssen and Melissa Lindsey
Date 2026
URL https://math.libretexts.org/Bookshelves/Abstract_and_Geometric_Algebra/Rings_with_Inquiry_(Janssen_and_Lindsey)/02%3A_Fields_and_Rings/2.02%3A_Rings


Overview

In the previous section, we observed that many familiar number systems are fields but that some are not. As we will see, these non-fields are often more structurally interesting, at least from the …