simp only [c', or_true]
V : Type u
E : Type v
inst✝¹ : DecidableEq V
inst✝ : DecidableEq E
G : Graph V E
u v w' : V
e : EdgeBetween G u v
p : EdgePath G v w'
w : V
e' : EdgeBetween G v u
p' : EdgePath G u w
c' : e' = EdgeBetween.bar e
⊢ p' = cons e (cons e' p') ∨ e' = EdgeBetween.bar e
no goals