simp
case Var.a
V 𝕍 : Type
inst✝¹ : DecidableEq V
inst✝ : DecidableEq 𝕍
x : V
Γ Γ' : TCtxt V 𝕍
h : ∀ (x_1 : V), x_1 ∈ freeVarsOfTerm (Λ.Var x) → getType x_1 Γ = getType x_1 Γ'
⊢ x ∈ freeVarsOfTerm (Λ.Var x)
no goals