fixed notation for \cup and \cap

diff --git a/helm/software/matita/core_notation.moo b/helm/software/matita/core_notation.moo
index 1dcb15d811ba7994a16de316fdbeefcce8eafb2b..6f5d78d033bcbd223e2ba1e36f759e0451289ab2 100644 (file)
--- a/helm/software/matita/core_notation.moo
+++ b/helm/software/matita/core_notation.moo
@@ -233,10 +233,10 @@ for @{ 'overlaps $a $b }. (* \between *)
 notation "hvbox(a break ⊆ b)" non associative with precedence 45
 for @{ 'subseteq $a $b }. (* \subseteq *)
 
-notation "hvbox(a break ∩ b)" non associative with precedence 55
+notation "hvbox(a break ∩ b)" left associative with precedence 55
 for @{ 'intersects $a $b }. (* \cap *)
 
-notation "hvbox(a break ∪ b)" non associative with precedence 50
+notation "hvbox(a break ∪ b)" left associative with precedence 50
 for @{ 'union $a $b }. (* \cup *)
 
 notation "hvbox({ term 19 a })" with precedence 90 for @{ 'singl $a}.