let rec is_simple_term = function
| Cic.Appl ((Cic.Meta _)::_) -> false
| Cic.Appl l -> List.for_all is_simple_term l
- | Cic.Meta (i, l) -> check_irl 1 l
+ | Cic.Meta (i, l) -> let l = [] in check_irl 1 l
| Cic.Rel _ -> true
| Cic.Const _ -> true
| Cic.MutInd (_, _, []) -> true