induction p <;> aesop
V : Type u
E : Type v
G : Graph V E
u✝ v✝ w✝ : V
e✝ : EdgeBetween G v✝ w✝
v w w' u : V
e : EdgeBetween G w w'
p : EdgePath G v w
q : EdgePath G w' u
⊢ concat p e ++ q = p ++ cons e q
no goals