add itree-program-logic paper

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+---
+title: "Program Logics à la Carte"
+categories: research
+---
+
+My first PhD student paper has been accepted into POPL:
+"Program Logics à la Carte" will be presented in Denver next week.
+The paper proposes a framework of reusable building blocks to simplify constructing a program logic with its associated soundness proof.
+This is built in Iris, and is similar to how Iris provides reusable building blocks for of the ingredients of a powerful separation logic---but so far, everything directly related to the actual language had to be re-done for each new language.
+By using ITrees as shared foundation, we show how this can be overcome.
+
+This is Max's first paper with me; congratulations on making it into POPL!
+To learn more, [check out the paper](https://plf.inf.ethz.ch/research/popl25-itree-program-logic.html).