<story><title>Computational Category Theory in Python III: Monoids, Groups, and Preorders</title><url>http://www.philipzucker.com/computational-category-theory-in-python-3-monoids-groups-and-preorders/</url></story><parent_chain></parent_chain><comment><author>lr4444lr</author><text>Can someone explain to me what Category theory actually contributes to mathematics beyond the contents of abstract algebra, graph theory, and set theory? Because every interesting result I&amp;#x27;ve seen just looks like it comes from those other branches with some different terminology. Does it actually lead to any unique or synergistic results that the others fail to produce with their own axioma?</text></comment>
<story><title>Computational Category Theory in Python III: Monoids, Groups, and Preorders</title><url>http://www.philipzucker.com/computational-category-theory-in-python-3-monoids-groups-and-preorders/</url></story><parent_chain></parent_chain><comment><author>chestervonwinch</author><text>I suggest to the author that they rephrase the title to something like &amp;quot;...Theory in Python Part 3...&amp;quot; to make it clear that this is the third installment in a series, not specific to Python version 3.</text></comment>