no goals
V : Type u
V' : Type v
V'' : Type w
G : SimpleGraph V
G' : SimpleGraph V'
G'' : SimpleGraph V''
u v w : V
f : G →g G'
p : Walk G u v
⊢ Walk.toSubgraph (Walk.map f p) = Subgraph.map f (Walk.toSubgraph p)
induction p <;> simp [*, Subgraph.map_sup]