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      <title>Notebook</title>
      <link>https://francescodibetta.github.io/notebook</link>
      <description>Last 10 notes on Notebook</description>
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      <item>
    <title>Formal Epistemology</title>
    <link>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/</link>
    <guid>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/</guid>
    <description><![CDATA[ This note contains materials for a short introductory course in belief revision theory to be held in Spring 2026 at IUSS Pavia. ]]></description>
    <pubDate>Tue, 21 Apr 2026 13:19:11 GMT</pubDate>
  </item><item>
    <title>Session 1 - Solutions to Exercises</title>
    <link>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-1-(Solutions)</link>
    <guid>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-1-(Solutions)</guid>
    <description><![CDATA[ Exercise 1 Exercise: Prove that classical semantic consequence \vdash is reflexive, transitive, and monotonic. ]]></description>
    <pubDate>Tue, 21 Apr 2026 13:17:23 GMT</pubDate>
  </item><item>
    <title>Session 1 - Summary of definitions</title>
    <link>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-1-(Summary-of-Definitions)</link>
    <guid>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-1-(Summary-of-Definitions)</guid>
    <description><![CDATA[ 1. ]]></description>
    <pubDate>Tue, 21 Apr 2026 13:17:23 GMT</pubDate>
  </item><item>
    <title>Session 1</title>
    <link>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-1</link>
    <guid>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-1</guid>
    <description><![CDATA[ Introduction to Belief Revision Theory ]]></description>
    <pubDate>Tue, 21 Apr 2026 13:17:23 GMT</pubDate>
  </item><item>
    <title>Session 2 - Solutions to Exercises</title>
    <link>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-2-(Solutions)</link>
    <guid>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-2-(Solutions)</guid>
    <description><![CDATA[ Transclude of RG-FormEp---Session-2#^e85e7f bproof Let \phi,\psi\in \mathcal{L} and let \Gamma,\Delta\in \mathcal{P}(\mathcal{L}). Part one. ]]></description>
    <pubDate>Tue, 21 Apr 2026 13:17:23 GMT</pubDate>
  </item><item>
    <title>Session 2 - Summary of definitions</title>
    <link>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-2-(Summary-of-Definitions)</link>
    <guid>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-2-(Summary-of-Definitions)</guid>
    <description><![CDATA[ AGM Belief Revision Postulates Basic postulates: \begin{array}{cl} B * \phi \text{ is a belief set} &amp; \text{(Closure)} \\\\ \phi \in B * \phi &amp; \text{(Success)} \\\\ \text{If } \phi \nvdash \bot \text{, then } Cn(B * \phi) \neq \mathcal{L} &amp; \text{(Consistency)} \\\\ B * \phi \subseteq C... ]]></description>
    <pubDate>Tue, 21 Apr 2026 13:17:23 GMT</pubDate>
  </item><item>
    <title>Session 2</title>
    <link>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-2</link>
    <guid>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-2</guid>
    <description><![CDATA[ Introduction to Belief Revision Theory ]]></description>
    <pubDate>Tue, 21 Apr 2026 13:17:23 GMT</pubDate>
  </item><item>
    <title>Session 3</title>
    <link>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-3</link>
    <guid>https://francescodibetta.github.io/notebook/Courses/2026/Formal-Epistemology/RG-FormEp---Session-3</guid>
    <description><![CDATA[ In today’s session, we will tackle the second half of the representation theorem introduced last time: the “completeness” part. ]]></description>
    <pubDate>Tue, 21 Apr 2026 13:17:23 GMT</pubDate>
  </item><item>
    <title>(Grove, 1988)</title>
    <link>https://francescodibetta.github.io/notebook/Study-Notes/(Grove,-1988)</link>
    <guid>https://francescodibetta.github.io/notebook/Study-Notes/(Grove,-1988)</guid>
    <description><![CDATA[ This paper proposes a model-theoretic characterization of the belief revision (*) operation discussed by AGM. ]]></description>
    <pubDate>Tue, 21 Apr 2026 06:52:59 GMT</pubDate>
  </item><item>
    <title>Compactness for Classical Propositional Logic</title>
    <link>https://francescodibetta.github.io/notebook/Study-Notes/Compactness</link>
    <guid>https://francescodibetta.github.io/notebook/Study-Notes/Compactness</guid>
    <description><![CDATA[  Compactness Let a consequence relation \vdash for some logic L be given. ]]></description>
    <pubDate>Fri, 20 Feb 2026 12:10:41 GMT</pubDate>
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