case notMem.notMem => simp_all
α : Type
inst✝ : Readable α
rtr rtr₁ : α
cpt : Component.Valued
i : ID
v : Value
rtr₂ : α
h✝¹ : IsEmpty (Member (Component.val cpt) i rtr)
eq✝¹ : rtr = rtr₁
h✝ : IsEmpty (Member (Component.val cpt) i rtr)
eq✝ : rtr = rtr₂
⊢ rtr₁ = rtr₂
no goals