<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Eigenius</title><description>Notes and articles on typed knowledge graphs, warranted reasoning, and building auditable AI research agents.</description><link>https://eigenius.io/</link><language>en</language><item><title>Part III — Making Reasoning Checkable</title><link>https://eigenius.io/blog/making-reasoning-checkable/</link><guid isPermaLink="true">https://eigenius.io/blog/making-reasoning-checkable/</guid><description>The constructive turn: a claim is only as good as the witness that accompanies it. Why the substrate for warranted, machine-checkable reasoning did not exist — and what Eigenius is.</description><pubDate>Thu, 30 Jul 2026 00:00:00 GMT</pubDate><category>institutions</category><category>warrants</category><category>eigenius</category><author>Eigenius</author></item><item><title>Part II — Translating Between Logics</title><link>https://eigenius.io/blog/translating-between-logics/</link><guid isPermaLink="true">https://eigenius.io/blog/translating-between-logics/</guid><description>Morphisms, comorphisms, and borrowing. What it means to move a statement from one logic into another without changing what it claims — and why heterogeneous modelling needs category theory to stay honest.</description><pubDate>Thu, 23 Jul 2026 00:00:00 GMT</pubDate><category>institutions</category><category>logic</category><category>comorphisms</category><author>Eigenius</author></item><item><title>Part I — What Is a Logic?</title><link>https://eigenius.io/blog/what-is-a-logic/</link><guid isPermaLink="true">https://eigenius.io/blog/what-is-a-logic/</guid><description>A logic is four parts and one law. Signatures, sentences, models, satisfaction — and the condition that ties them together. A self-contained conceptual foundation, with no category theory required.</description><pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate><category>institutions</category><category>logic</category><category>foundations</category><author>Eigenius</author></item></channel></rss>