diff options
| -rw-r--r-- | pretyping/termops.ml | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/pretyping/termops.ml b/pretyping/termops.ml index c936987839..b233ce2441 100644 --- a/pretyping/termops.ml +++ b/pretyping/termops.ml @@ -386,7 +386,13 @@ let dependent m t = if eq_constr m t then raise Occur else - iter_constr_with_binders (lift 1) deprec m t + match kind_of_term m, kind_of_term t with + | App (fm,lm), App (ft,lt) when Array.length lm < Array.length lt -> + deprec m (mkApp (ft,Array.sub lt 0 (Array.length lm))); + Array.iter (deprec m) + (Array.sub lt + (Array.length lm) ((Array.length lt) - (Array.length lm))) + | _ -> iter_constr_with_binders (lift 1) deprec m t in try deprec m t; false with Occur -> true |