restored mathematical in 1.4; forgave some lock fields in overload resolution

lib/resource-1.4/mathematical/MathematicalSwe.gf

@@ -0,0 +1,27 @@
+--# -path=.:present:prelude
+
+concrete MathematicalSwe of Mathematical = 
+  NounSwe - [ComplN2], --- to avoid ambiguity 
+--  VerbSwe, 
+  AdjectiveSwe,
+  AdverbSwe,
+  NumeralSwe,
+--  SentenceSwe,
+  QuestionSwe,
+  RelativeSwe,
+  ConjunctionSwe,
+  PhraseSwe,
+  TextX,
+  IdiomSwe,
+
+  StructuralSwe,
+
+  SymbolSwe,
+  PredicationSwe,
+
+  LexiconSwe
+  ** {
+
+flags startcat = Phr ;
+
+} ;