debug_print (lazy ("FO_UNIF_SUBST: " ^
CicPp.ppterm last ^ " <==> " ^ CicPp.ppterm t)); (* }}} *)
let subst,metasenv,ugraph =
debug_print (lazy ("FO_UNIF_SUBST: " ^
CicPp.ppterm last ^ " <==> " ^ CicPp.ppterm t)); (* }}} *)
let subst,metasenv,ugraph =