X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fsoftware%2Fmatita%2Fnlibrary%2Falgebra%2Fmagmas.ma;h=3e4cb942b4c09ba22e4188c3239748a915968fba;hb=32f2a8f8016b2c6c7fb88189fc0ea0c7f9336555;hp=775cbd390c4ec9287fba0148c22ebe0014d0e776;hpb=bc4cc41e813fc850a7f981cd60ba22e14485b7d1;p=helm.git

diff --git a/helm/software/matita/nlibrary/algebra/magmas.ma b/helm/software/matita/nlibrary/algebra/magmas.ma
index 775cbd390..3e4cb942b 100644
--- a/helm/software/matita/nlibrary/algebra/magmas.ma
+++ b/helm/software/matita/nlibrary/algebra/magmas.ma
@@ -24,6 +24,7 @@ nrecord magma (A: magma_type) : Type[1] ≝
    op_closed: ∀x,y. x ∈ mcarr → y ∈ mcarr → op A x y ∈ mcarr
  }.
 
+alias symbol "hint_decl" = "hint_decl_Type2".
 unification hint 0 ≔ 
   A : ? ⊢ carr1 (qpowerclass_setoid A) ≡ qpowerclass A.