Lean 4 / Mathlib research infrastructure for eight open Erdős problems: 68, 243, 249, 251, 257, 269, 1041, 1049. All remain open. Follow 130 claim records to exact source, evidence, and surviving boundaries; Comparator and Palomar surfaces included.
reproducible-research theorem-proving proof-assistant open-science lean formal-verification number-theory open-problems mathlib research-software computational-number-theory lean4 formalized-mathematics erdos-problems ai-for-math lambert-series
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Sep 5, 2026 - Lean