∀ (q : Option Turing.PartrecToTM2.Γ' → Turing.PartrecToTM2.Λ'),
  Turing.PartrecToTM2.trStmts₁ (Turing.PartrecToTM2.Λ'.read q) =
    insert (Turing.PartrecToTM2.Λ'.read q) (Finset.univ.biUnion fun s => Turing.PartrecToTM2.trStmts₁ (q s))