meta VS meta in alpha_eq honors substitution

[helm.git] / helm / software / components / ng_kernel / nCicReduction.ml

diff --git a/helm/software/components/ng_kernel/nCicReduction.ml b/helm/software/components/ng_kernel/nCicReduction.ml
index 18e9f92cbc1ffbb229d89823b52f5b5351b80647..47c8ea74d3fa51068f9d32acfc85764b83f6d3a7 100644 (file)
--- a/helm/software/components/ng_kernel/nCicReduction.ml
+++ b/helm/software/components/ng_kernel/nCicReduction.ml
@@ -495,7 +495,7 @@ let are_convertible whd ?(subst=[])  =
        true
      else
        match (t1,t2) with
-       | (C.Sort (C.Type a), C.Sort (C.Type b)) -> a <= b
+       | (C.Sort (C.Type a), C.Sort (C.Type b)) when not test_eq_only -> a <= b
        | (C.Sort s1,C.Sort (C.Type _)) -> (not test_eq_only)
        | (C.Sort s1, C.Sort s2) -> s1 = s2
 
@@ -512,7 +512,7 @@ let are_convertible whd ?(subst=[])  =
 
        | (C.Meta (n1,(s1, C.Irl i1)), C.Meta (n2,(s2, C.Irl i2))) 
           when n1 = n2 && s1 = s2 -> true
-       | (C.Meta (n1,(s1, l1)), C.Meta (n2,(s2, l2))) when n1 = n2 -> 
+       | (C.Meta (n1,(s1, l1)), C.Meta (n2,(s2, l2))) when n1 = n2 &&
           let l1 = NCicUtils.expand_local_context l1 in
           let l2 = NCicUtils.expand_local_context l2 in
           (try List.for_all2 
@@ -520,7 +520,7 @@ let are_convertible whd ?(subst=[])  =
               (NCicSubstitution.lift s1 t1) 
               (NCicSubstitution.lift s2 t2))  
             l1 l2
-          with Invalid_argument _ -> assert false)
+          with Invalid_argument _ -> assert false) -> true
 
        | C.Meta (n1,l1), _ ->
           (try