let subst,metasenv,ugraph =
fo_unif_subst subst context metasenv last head ugraph in
debug_print (lazy ("\nprovo" ^ CicPp.ppterm c));
let subst,metasenv,ugraph =
fo_unif_subst subst context metasenv last head ugraph in
debug_print (lazy ("\nprovo" ^ CicPp.ppterm c));