by_cases hi : i₁ = i₂
α : Type
inst✝ : Hierarchical α
rtr rtr₁ : α
wf : Wellformed rtr
c₁ : Component.idType Component.rtr
con₁ : Component.type α Component.rtr
c₂ : Component.idType Component.rtr
con₂ : Component.type α Component.rtr
i₁ : ID
rcn₁ : Component.type (Component.type α Component.rtr) Component.rcn
i₂ : ID
rcn₂ : Component.type (Component.type α Component.rtr) Component.rcn
k : Kind
cpt : Component.Valued
j : ID
hc₁ : rtr[Component.rtr][c₁] = some con₁
hc₂ : rtr[Component.rtr][c₂] = some con₂
hr₁ : con₁{Component.rcn}{i₁} = some rcn₁
hr₂ : con₂{Component.rcn}{i₂} = some rcn₂
hd₁ : { cpt := cpt, id := j } ∈ rcn₁.deps k
hd₂ : { cpt := cpt, id := j } ∈ rcn₂.deps k
⊢ c₁ = c₂
case pos
α : Type
inst✝ : Hierarchical α
rtr rtr₁ : α
wf : Wellformed rtr
c₁ : Component.idType Component.rtr
con₁ : Component.type α Component.rtr
c₂ : Component.idType Component.rtr
con₂ : Component.type α Component.rtr
i₁ : ID
rcn₁ : Component.type (Component.type α Component.rtr) Component.rcn
i₂ : ID
rcn₂ : Component.type (Component.type α Component.rtr) Component.rcn
k : Kind
cpt : Component.Valued
j : ID
hc₁ : rtr[Component.rtr][c₁] = some con₁
hc₂ : rtr[Component.rtr][c₂] = some con₂
hr₁ : con₁{Component.rcn}{i₁} = some rcn₁
hr₂ : con₂{Component.rcn}{i₂} = some rcn₂
hd₁ : { cpt := cpt, id := j } ∈ rcn₁.deps k
hd₂ : { cpt := cpt, id := j } ∈ rcn₂.deps k
hi : i₁ = i₂
⊢ c₁ = c₂

case neg
α : Type
inst✝ : Hierarchical α
rtr rtr₁ : α
wf : Wellformed rtr
c₁ : Component.idType Component.rtr
con₁ : Component.type α Component.rtr
c₂ : Component.idType Component.rtr
con₂ : Component.type α Component.rtr
i₁ : ID
rcn₁ : Component.type (Component.type α Component.rtr) Component.rcn
i₂ : ID
rcn₂ : Component.type (Component.type α Component.rtr) Component.rcn
k : Kind
cpt : Component.Valued
j : ID
hc₁ : rtr[Component.rtr][c₁] = some con₁
hc₂ : rtr[Component.rtr][c₂] = some con₂
hr₁ : con₁{Component.rcn}{i₁} = some rcn₁
hr₂ : con₂{Component.rcn}{i₂} = some rcn₂
hd₁ : { cpt := cpt, id := j } ∈ rcn₁.deps k
hd₂ : { cpt := cpt, id := j } ∈ rcn₂.deps k
hi : ¬i₁ = i₂
⊢ c₁ = c₂