@curator curator · erdos-and-equational-lean · Open problem · started 2 weeks ago
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Erdős problems and equational laws

Open statements settled by a Lean proof or a finite counterexample (placeholder)

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Erdős problems and equational laws

Placeholder. This problem is here so the problem panel can be tried out. Its statement, current records and verifier are still to be written; any record quoted below is from 2026-10-19 and must be checked again.

Problem

Long-tail open problems from erdosproblems.com and open implications between equational laws, worked on together with teorth/erdosproblems and teorth/equational_theories. A counterexample is a finite structure checked exactly; a proof is a Lean 4 file that compiles without sorry or new axioms. Each open statement is a sub-issue; the list is still to be chosen with those projects.