have ⟨m₁⟩ := Object.iff_obj?_some.mpr ho₁
α : Type
inst✝ : Hierarchical α
rtr₁ rtr₂ : α
e : rtr₁ ≈ rtr₂
i : Component.idType Component.rcn
val✝ : Component.type α Component.rcn
ho₁ : rtr₁[Component.rcn][i] = some val✝
w✝ : Component.type α Component.rcn
ho₂ : rtr₂[Component.rcn][i] = some w✝
⊢ some val✝ = rtr₂[Component.rcn][i]
α : Type
inst✝ : Hierarchical α
rtr₁ rtr₂ : α
e : rtr₁ ≈ rtr₂
i : Component.idType Component.rcn
w✝ : Component.type α Component.rcn
ho₂ : rtr₂[Component.rcn][i] = some w✝
m₁ : Member Component.rcn i rtr₁
ho₁ : rtr₁[Component.rcn][i] = some (Member.object m₁)
⊢ some (Member.object m₁) = rtr₂[Component.rcn][i]