diff --git a/lib/resource-1.0/mathematical/MathematicalGer.gf b/lib/resource-1.0/mathematical/MathematicalGer.gf
index 79f5e39ee..0d9eb45b5 100644
--- a/lib/resource-1.0/mathematical/MathematicalGer.gf
+++ b/lib/resource-1.0/mathematical/MathematicalGer.gf
@@ -11,7 +11,7 @@ concrete MathematicalGer of Mathematical =
   RelativeGer,
   ConjunctionGer,
   PhraseGer,
-  TextX,
+  TextX - [Tense,TPres],
   IdiomGer,
   StructuralGer,
 
diff --git a/lib/resource-1.0/mathematical/SymbolGer.gf b/lib/resource-1.0/mathematical/SymbolGer.gf
index 3666bfcc7..7c569a7e6 100644
--- a/lib/resource-1.0/mathematical/SymbolGer.gf
+++ b/lib/resource-1.0/mathematical/SymbolGer.gf
@@ -16,7 +16,7 @@ lin
     isPron = False
     } ;
   CNNumNP cn i = {
-    s = \\c => artDef (GSg cn.g) c ++ cn.s ! Weak ! Sg ! Nom ++ i.s ;
+    s = \\c => artDef ! (GSg cn.g) ! c ++ cn.s ! Weak ! Sg ! Nom ++ i.s ;
     a = agrP3 Sg ;
     isPron = False
     } ;