Back to Problems

erdos_723.eq_12

Specification

It is open whether there exists a projective plane of order 12.

Actions

Submit a Proof

Have a proof attempt? Submit it for zero-trust verification.

Submit Proof
Lean 4 Statement 
theorem erdos_723.eq_12 : answer(sorry) ↔
    ∃ (P L : Type) (_ : Membership P L) (_ : Fintype P) (_ : Fintype L) (pp : ProjectivePlane P L),
      pp.order = 12
ID: ErdosProblems__723__erdos_723.eq_12
Browse 300 unsolved math conjectures formalized in Lean 4
Browse

All Problems

Explore all 300 unsolved conjectures.

View problems →
ASI Prize documentation for formal verification pipeline
Docs

Verification Pipeline

How zero-trust verification works.

Read docs →
Evaluation Results

Recent Submissions

No submissions yet. Be the first to attempt this problem.