(** This development is inspired by The Foundations of Geometry and the Non-Euclidean Plane, by George E Martin, chapter 22 *)
Section Archimedes.
Context `{TnEQD:Tarski_neutral_dimensionless_with_decidable_point_equality}.

Lemma t22_23_aux :
forall A B C M N L,
~ Col A M N -> Per B C A -> A <> C -> Midpoint M A B ->
Per M N A -> Col A C N ->
Midpoint M N L -> Bet A N C /\ Lambert N L B C /\ Cong B L A N.