X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fnlibrary%2Falgebra%2Fmagmas.ma;h=3424944bedea48628147f3165766185e2cd531b8;hb=9a3fb95a84d028ade0131145a58b339455fb5765;hp=e83c62227f51759973934ee48f30aa70d6974529;hpb=498898aa5d4525d979fe5564c180ab75f6483c99;p=helm.git

diff --git a/helm/software/matita/nlibrary/algebra/magmas.ma b/helm/software/matita/nlibrary/algebra/magmas.ma
index e83c62227..3424944be 100644
--- a/helm/software/matita/nlibrary/algebra/magmas.ma
+++ b/helm/software/matita/nlibrary/algebra/magmas.ma
@@ -16,6 +16,6 @@ include "sets/sets.ma".
 
 nrecord magma (A: Type) : Type[1] ≝
  { carr: Ω \sup A;
-   op: A → A → A(*;
-   op_closed: ∀x,y. x ∈ carr → y ∈ carr → op x y ∈ carr*)
+   op: A → A → A;
+   op_closed: ∀x,y. x ∈ carr → y ∈ carr → op x y ∈ carr
  }.
\ No newline at end of file