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_7 : forall A B C A' B' C',
CongG A B A' B' -> CongG B C B' C' ->
BetG A B C -> BetG A' B' C' ->
CongG A C A' C'.