diff options
| author |  Benjamin Barenblat <bbaren@debian.org> | 2019-02-02 19:29:28 -0500 |
|---|---|---|
| committer | Benjamin Barenblat <bbaren@debian.org> | 2019-02-02 19:29:28 -0500 |
| commit | 1ef7f1c0c6897535a86daa77799714e25638f5e9 (patch) | |
| tree | 5bcca733632ecc84d2c6b1ee48cb2e557a7adba5 /plugins/firstorder/unify.ml | |
| parent | 3a2fac7bcee36fd9dcb4f39a615c8ac0349abcc9 (diff) | |
| parent | 9ebf44d84754adc5b64fcf612c6816c02c80462d (diff) | |
Updated version 8.9.0 from 'upstream/8.9.0'
with Debian dir 81a4f85bc45e59aa1eadb4797f0eb0b8039efb63
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 |