cases cpt <;> cases m <;> exists ‹_›
α : Type
inst✝ : Reactor α
rtr rtr₁ : α
cpt : Component
o : Component.type α cpt
i : ID
m :
  Member cpt
    (match cpt with
    | Component.rtr => ↑i
    | Component.rcn => i
    | Component.val v => i)
    rtr
⊢ ∃ s, StrictMember.object s = Member.object m
no goals