intro rel
V : Type u
E : Type v
G✝ : Graph V E
u✝ v✝ w✝ : V
e : EdgeBetween G✝ v✝ w✝
G : Graph V E
v w u : V
a : EdgeBetween G v w
b₁ b₂ : EdgePath G w u
⊢ [[b₁]] = [[b₂]] → [[cons a b₁]] = [[cons a b₂]]
V : Type u
E : Type v
G✝ : Graph V E
u✝ v✝ w✝ : V
e : EdgeBetween G✝ v✝ w✝
G : Graph V E
v w u : V
a : EdgeBetween G v w
b₁ b₂ : EdgePath G w u
rel : [[b₁]] = [[b₂]]
⊢ [[cons a b₁]] = [[cons a b₂]]