diff options
Diffstat (limited to 'proofs')
| -rw-r--r-- | proofs/clenv.ml | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/proofs/clenv.ml b/proofs/clenv.ml index 66e3181a3c..ebb4ab684f 100644 --- a/proofs/clenv.ml +++ b/proofs/clenv.ml @@ -1000,6 +1000,9 @@ let clenv_match_args s clause = 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 + (* whd_betaiota was before in type_of - useful to reduce types like *) + (* (x:A)([x]P u) *) + let c_typ = whd_betaiota c_typ in matchrec (clenv_assign k c (clenv_unify true CUMUL c_typ k_typ clause)) t in |