Section Gupta_inspired_variant_of_Tarski_neutral_dimensionless_to_Tarski_neutral_dimensionless.
Context `{ITnEQD:Gupta_inspired_variant_of_Tarski_neutral_dimensionless_with_decidable_point_equality}.
Definition ColG A B C := BetG A B C \/ BetG B C A \/ BetG C A B.

Lemma inner_paschT : forall A B C P Q,
BetG A P C -> BetG B Q C ->
exists x, BetG P x B /\ BetG Q x A.