include "ground/relocation/gr_ist_tls.ma".
include "ground/relocation/gr_coafter_nat_tls.ma".
-(* RELATIONAL CO-COMPOSITION FOR GENERIC RELOCATION MAPS ***********************************************************)
+(* RELATIONAL CO-COMPOSITION FOR GENERIC RELOCATION MAPS ********************)
(*** H_coafter_inj *)
definition H_gr_coafter_inj: predicate gr_map ≝
λf1. 𝐓❪f1❫ →
∀f,f21,f22. f1 ~⊚ f21 ≘ f → f1 ~⊚ f22 ≘ f → f21 ≡ f22.
-(* Main Forward lemmas with istot ************************************************)
+(* Main destructions with gr_ist ********************************************)
(*** coafter_inj_O_aux *)
corec fact gr_coafter_inj_unit_aux: