Section StrongRelaxedInjections.

Lemma inject_delta_map_compose:
forall j12 j23 dpm1 dpm2 dpm3,
inject_delta_map j12 dpm1 dpm2 ->
inject_delta_map j23 dpm2 dpm3 ->
inject_delta_map (compose_meminj j12 j23) dpm1 dpm3.