(* lift_meta [t_1 ; ... ; t_n] t *)
(* returns the term [t] where [Rel i] is substituted with [t_i] *)
(* [t_i] is lifted as usual when it crosses an abstraction *)
val lift_meta : (Cic.term option) list -> Cic.term -> Cic.term
(* lift_meta [t_1 ; ... ; t_n] t *)
(* returns the term [t] where [Rel i] is substituted with [t_i] *)
(* [t_i] is lifted as usual when it crosses an abstraction *)
val lift_meta : (Cic.term option) list -> Cic.term -> Cic.term