case strict.strict => simp [StrictMember.extend_inj h]
α : Type
inst✝ : Reactor α
rtr rtr₁ : α
cpt : Component
j : ID
o₁ o₂ : Component.type (Component.type α Component.rtr) cpt
i✝¹ : ID
a✝¹ : StrictMember Component.rtr i✝¹ rtr
h₁ : object (strict a✝¹){cpt}{j} = some o₁
i✝ : ID
a✝ : StrictMember Component.rtr i✝ rtr
h₂ : object (strict a✝){cpt}{j} = some o₂
h : StrictMember.extend a✝¹ h₁ = StrictMember.extend a✝ h₂
⊢ (match Component.rtr with
    | Component.rtr => ↑i✝¹
    | Component.rcn => i✝¹
    | Component.val v => i✝¹) =
    match Component.rtr with
    | Component.rtr => ↑i✝
    | Component.rcn => i✝
    | Component.val v => i✝
no goals