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[helm.git] / helm / software / matita / nlibrary / algebra / magmas.ma

diff --git a/helm/software/matita/nlibrary/algebra/magmas.ma b/helm/software/matita/nlibrary/algebra/magmas.ma
index de8e3ba22449f445dc210bfb66392649b11a9276..3424944bedea48628147f3165766185e2cd531b8 100644 (file)
--- a/helm/software/matita/nlibrary/algebra/magmas.ma
+++ b/helm/software/matita/nlibrary/algebra/magmas.ma
@@ -14,8 +14,8 @@
 
 include "sets/sets.ma".
 
-nrecord magma (A: Type) : Type ≝
- { carr: Ω \sup A(*;
+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_closed: ∀x,y. x ∈ carr → y ∈ carr → op x y ∈ carr
  }.
\ No newline at end of file