case some => exact set.go_preserves ho (.inl h)
α : Type
inst✝¹ : Accessible α
rtr : α
inst✝ : Finite α
c cpt : Component.Valued
vs : ID ⇀ Value
h : c ≠ cpt
i : Component.idType (Component.val c)
val✝ : Component.type α (Component.val c)
ho : rtr[Component.val c][i] = some val✝
⊢ set rtr cpt vs[Component.val c][i] = some val✝
no goals