End T11_1.
Section T11_2.
Context `{TnEQD:Tarski_neutral_dimensionless_with_decidable_point_equality}.

Lemma lea_out4__lea : forall A B C D E F A' C' D' F',
LeA A B C D E F -> Out B A A' -> Out B C C' -> Out E D D' -> Out E F F' ->
LeA A' B C' D' E F'.