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[Submitted on 20 Feb 2026]
AcknowledgementsWe gratefully acknowledge the support of DARPA's expMath program. We are also grateful to all our collaborators from the Lean community, led by Chris Birkbeck, Sidharth Hariharan, Seewoo Lee, Bhavik Mehta and Maryna Viazovska, and acknowledge the invaluable support of Jeremy Avigad, Kevin Buzzard, David Loeffler, Gareth Ma, Pietro Monticone, the Mathlib maintainers and the Institute for Computer-Aided Reasoning in Mathematics.