diff options
| author |  Benjamin Barenblat <bbaren@debian.org> | 2019-02-02 19:29:23 -0500 |
|---|---|---|
| committer | Benjamin Barenblat <bbaren@debian.org> | 2019-02-02 19:29:23 -0500 |
| commit | 9ebf44d84754adc5b64fcf612c6816c02c80462d (patch) | |
| tree | bf5e06a28488e0e06a2f2011ff0d110e2e02f8fc /plugins/firstorder/unify.ml | |
| parent | 9043add656177eeac1491a73d2f3ab92bec0013c (diff) | |
Imported Upstream version 8.9.0upstream/8.9.0upstream
Diffstat (limited to 'plugins/firstorder/unify.ml')
| -rw-r--r-- | plugins/firstorder/unify.ml | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/plugins/firstorder/unify.ml b/plugins/firstorder/unify.ml index b869c04a..d63fe9d7 100644 --- a/plugins/firstorder/unify.ml +++ b/plugins/firstorder/unify.ml @@ -9,7 +9,7 @@ (************************************************************************) open Util -open Term +open Constr open EConstr open Vars open Termops @@ -56,12 +56,12 @@ let unif evd t1 t2= | Meta i,_ -> let t=subst_meta !sigma nt2 in if Int.Set.is_empty (free_rels evd t) && - not (dependent evd (EConstr.mkMeta i) t) then + not (occur_metavariable evd i t) then bind i t else raise (UFAIL(nt1,nt2)) | _,Meta i -> let t=subst_meta !sigma nt1 in if Int.Set.is_empty (free_rels evd t) && - not (dependent evd (EConstr.mkMeta i) t) then + not (occur_metavariable evd i t) then bind i t else raise (UFAIL(nt1,nt2)) | Cast(_,_,_),_->Queue.add (strip_outer_cast evd nt1,nt2) bige | _,Cast(_,_,_)->Queue.add (nt1,strip_outer_cast evd nt2) bige |