cases cpt <;> cases e₁ <;> cases e₂ <;> exact .strict $ StrictMember.Equivalent.trans ‹_› ‹_›
α : Type
inst✝² : Reactor α
rtr rtr₁ : α
β γ : Type
cpt : Component
inst✝¹ : Reactor β
inst✝ : Reactor γ
rtr₂ : β
rtr₃ : γ
i✝ : ID
m₂ :
  Member cpt
    (match cpt with
    | Component.rtr => ↑i✝
    | Component.rcn => i✝
    | Component.val v => i✝)
    rtr₂
m₃ :
  Member cpt
    (match cpt with
    | Component.rtr => ↑i✝
    | Component.rcn => i✝
    | Component.val v => i✝)
    rtr₃
e₂ : m₂ ∼ m₃
a✝ : StrictMember cpt i✝ rtr₁
e₁ : Member.strict a✝ ∼ m₂
⊢ Member.strict a✝ ∼ m₃
no goals