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}.

Lemma g2_15 : forall A B C D E, BetG A B A -> A <> B -> BetG C D E.