diff options
Diffstat (limited to 'vernac/command.ml')
| -rw-r--r-- | vernac/command.ml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/vernac/command.ml b/vernac/command.ml index 32b0abb8a..db203b425 100644 --- a/vernac/command.ml +++ b/vernac/command.ml @@ -987,8 +987,8 @@ let build_wellfounded (recname,pl,n,bl,arityc,body) poly r measure notation = try let ctx, ar = Reductionops.splay_prod_n env !evdref 2 relty in match ctx, EConstr.kind !evdref ar with - | [LocalAssum (_,t); LocalAssum (_,u)], Sort (Prop Null) - when Reductionops.is_conv env !evdref t u -> t + | [LocalAssum (_,t); LocalAssum (_,u)], Sort s + when Sorts.is_prop (ESorts.kind !evdref s) && Reductionops.is_conv env !evdref t u -> t | _, _ -> error () with e when CErrors.noncritical e -> error () in |