include "ground/relocation/gr_tl_eq.ma".
include "ground/relocation/gr_sdj.ma".
-(* DISJOINTNESS FOR GENERIC RELOCATION MAPS ***********************************************************)
+(* DISJOINTNESS FOR GENERIC RELOCATION MAPS *********************************)
-(* Properties with gr_eq *********************************************************)
+(* Constructions with gr_eq *************************************************)
(*** sdj_eq_repl_back1 *)
corec lemma gr_sdj_eq_repl_back_sn: