New blog post about creating custom quantifiers in #LeanLang using macros. jamesoswald.dev/posts/custom…

Thrilled to hear about the "Harmonic Analysis with Lean Formalization" (HALF) project: 6 years of research-level formalization in #LeanLang, led by Dr. Christoph Thiele and Dr. Floris van Doorn at University of Bonn with a €6.4M ERC Synergy Grant. Dr. van Doorn: "As the first project of its kind, HALF will mark a milestone on the path to the routine use of computer verification in mathematical research." Read the press release: uni-bonn.de/en/news/194-2025 Read more about the Lean Roadmap: lean-lang.org/fro/roadmap/y3 #LeanProver #FormalMathematics #UniversityOfBonn #HausdorffCenter

We’re pleased to announce #ItaLean2025: Bridging Formal Mathematics and AI, an international conference dedicated to @LeanProver, Formal Mathematics, and AI4Math. 📍 University of Bologna 🗓 9–12 December 2025 Proudly supported by @HarmonicMath. #LeanLang #FormalMath #AI4Math