diff options
Diffstat (limited to 'engine/termops.ml')
| -rw-r--r-- | engine/termops.ml | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/engine/termops.ml b/engine/termops.ml index 410fb75c5..a67916345 100644 --- a/engine/termops.ml +++ b/engine/termops.ml @@ -1181,14 +1181,19 @@ let base_sort_cmp pb s0 s1 = | _ -> false let rec is_Prop sigma c = match EConstr.kind sigma c with - | Sort (Prop Null) -> true + | Sort u -> + begin match EConstr.ESorts.kind sigma u with + | Prop Null -> true + | _ -> false + end | Cast (c,_,_) -> is_Prop sigma c | _ -> false (* eq_constr extended with universe erasure *) let compare_constr_univ sigma f cv_pb t1 t2 = + let open EConstr in match EConstr.kind sigma t1, EConstr.kind sigma t2 with - Sort s1, Sort s2 -> base_sort_cmp cv_pb s1 s2 + Sort s1, Sort s2 -> base_sort_cmp cv_pb (ESorts.kind sigma s1) (ESorts.kind sigma s2) | Prod (_,t1,c1), Prod (_,t2,c2) -> f Reduction.CONV t1 t2 && f cv_pb c1 c2 | _ -> EConstr.compare_constr sigma (fun t1 t2 -> f Reduction.CONV t1 t2) t1 t2 |