Inductive Point :=
 P0.Inductive Point :=
 P0.Definition Bet (A B C : Point) := False.Definition Cong (A B C D : Point) := True.

Lemma five_segment : forall A A' B B' C C' D D', Cong A B A' B' -> Cong B C B' C' -> Cong A D A' D' -> Cong B D B' D' -> Bet A B C -> Bet A' B' C' -> A <> B -> Cong C D C' D'.