diff options
Diffstat (limited to 'contrib/correctness')
| -rw-r--r-- | contrib/correctness/ptactic.ml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/contrib/correctness/ptactic.ml b/contrib/correctness/ptactic.ml index 5994fb38d4..e7610923cd 100644 --- a/contrib/correctness/ptactic.ml +++ b/contrib/correctness/ptactic.ml @@ -208,8 +208,8 @@ let reduce_open_constr (em0,c) = | Cast (c',t) -> (match kind_of_term c' with | Evar (ev,_) -> - if not (Evd.in_dom em ev) then - Evd.add em ev (Evd.map em0 ev) + if not (Evd.mem em ev) then + Evd.add em ev (Evd.find em0 ev) else em | _ -> fold_constr collect em c) |