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authorGravatar Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net>2018-05-11 14:43:44 +0200
committerGravatar Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net>2018-05-30 15:20:26 +0200
commita52a2d2110fcf20d532a2005c1957cba0d2c4043 (patch)
treee1c716b843baaa741ce1437e9a06bcdc6d4f9f15 /engine/univops.mli
parent853917631d58226d9669af64203901e2b19ed304 (diff)
Fix restrict_universe_context
Diffstat (limited to 'engine/univops.mli')
-rw-r--r--engine/univops.mli5
1 files changed, 4 insertions, 1 deletions
diff --git a/engine/univops.mli b/engine/univops.mli
index d1585414c..0b37ab975 100644
--- a/engine/univops.mli
+++ b/engine/univops.mli
@@ -14,5 +14,8 @@ open Univ
(** The universes of monomorphic constants appear. *)
val universes_of_constr : Environ.env -> constr -> LSet.t
-(** Shrink a universe context to a restricted set of variables *)
+(** [restrict_universe_context (univs,csts) keep] restricts [univs] to
+ the universes in [keep]. The constraints [csts] are adjusted so
+ that transitive constraints between remaining universes (those in
+ [keep] and those not in [univs]) are preserved. *)
val restrict_universe_context : ContextSet.t -> LSet.t -> ContextSet.t