Formal target: Corpus.Arxiv260512342Conjecture1.conjecture_1
**Conjecture 1 (Fernandes, 2026):** Let $m \ge n \ge 2$ be integers with $(m, n) \notin \{(2,2), (3,3), (4,3), (4,4)\}$.
Exact formal statement
∀ {m n : Nat},
LE.le.{0} 2 m →
LE.le.{0} 2 n →
LE.le.{0} n m →
Not
(Membership.mem.{0, 0}
(Insert.insert.{0, 0} (Prod.mk.{0, 0} 2 2)
(Insert.insert.{0, 0} (Prod.mk.{0, 0} 3 3)
(Insert.insert.{0, 0} (Prod.mk.{0, 0} 4 3) (Singleton.singleton.{0, 0} (Prod.mk.{0, 0} 4 4)))))
(Prod.mk.{0, 0} m n)) →
Exists.{1} fun g₁ =>
Exists.{1} fun g₂ =>
Eq.{1} (Subgroup.closure.{0} (Insert.insert.{0, 0} g₁ (Singleton.singleton.{0, 0} g₂))) Top.top.{0}This target is a formal statement, not a proof of the problem.
Environment availability: available.