| RAbsCo : forall Γ Δ Σ κ (σ₁ σ₂:HaskType Γ κ) σ l,
Rule [Γ > ((σ₁∼∼∼σ₂)::Δ) > Σ |- [σ @@ l]]
[Γ > Δ > Σ |- [σ₁∼∼σ₂⇒ σ @@l]]
-| RLetRec : ∀ Γ Δ Σ₁ τ₁ τ₂, Rule [Γ > Δ > Σ₁,,τ₂ |- τ₁,,τ₂ ] [Γ > Δ > Σ₁ |- τ₁ ]
+| RLetRec : forall Γ Δ Σ₁ τ₁ τ₂, Rule [Γ > Δ > Σ₁,,τ₂ |- [τ₁],,τ₂ ] [Γ > Δ > Σ₁ |- [τ₁] ]
| RCase : forall Γ Δ lev tc Σ avars tbranches
(alts:Tree ??(@ProofCaseBranch tc Γ Δ lev tbranches avars)),
Rule