diff options
| author |  Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net> | 2017-12-01 15:26:08 +0100 |
|---|---|---|
| committer | Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net> | 2017-12-01 15:26:08 +0100 |
| commit | 8acf32377b67c08568215a89c31cdc382883dbf6 (patch) | |
| tree | 89d6762efd6c0587c1068afa8311f639f485abea /engine/uState.ml | |
| parent | 0048cbe810c82a775558c14cd7fcae644e205c51 (diff) | |
Fix #6297: handle constraints like (u+1 <= Set/Prop)
Diffstat (limited to 'engine/uState.ml')
| -rw-r--r-- | engine/uState.ml | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/engine/uState.ml b/engine/uState.ml index 4e30640e4..49da2f7b4 100644 --- a/engine/uState.ml +++ b/engine/uState.ml @@ -197,14 +197,18 @@ let process_universe_constraints ctx cstrs = | None -> user_err Pp.(str "Algebraic universe on the right") | Some r' -> if Univ.Level.is_small r' then - let levels = Univ.Universe.levels l in - let fold l' local = - let l = Univ.Universe.make l' in - if Univ.Level.is_small l' || is_local l' then - equalize_variables false l l' r r' local - else raise (Univ.UniverseInconsistency (Univ.Le, l, r, None)) - in - Univ.LSet.fold fold levels local + if not (Univ.Universe.is_levels l) + then + raise (Univ.UniverseInconsistency (Univ.Le, l, r, None)) + else + let levels = Univ.Universe.levels l in + let fold l' local = + let l = Univ.Universe.make l' in + if Univ.Level.is_small l' || is_local l' then + equalize_variables false l l' r r' local + else raise (Univ.UniverseInconsistency (Univ.Le, l, r, None)) + in + Univ.LSet.fold fold levels local else Univ.enforce_leq l r local end |