diff options
| -rw-r--r-- | proofs/clenv.ml | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/proofs/clenv.ml b/proofs/clenv.ml index fee6ce40f..40060165e 100644 --- a/proofs/clenv.ml +++ b/proofs/clenv.ml @@ -999,10 +999,9 @@ let clenv_match_args s clause = errorlabstrm "clenv_match_args" (str "No such binder") in let k_typ = w_hnf_constr clause.hook (clenv_instance_type clause k) - and c_typ = w_hnf_constr clause.hook (w_type_of clause.hook c) in + and c_typ = w_hnf_constr clause.hook (nf_betaiota (w_type_of clause.hook c)) in (* whd_betaiota was before in type_of - useful to reduce types like *) (* (x:A)([x]P u) *) - let c_typ = nf_betaiota c_typ in matchrec (clenv_assign k c (clenv_unify true CUMUL c_typ k_typ clause)) t in |