restored multimodal and mathematical sources

lib/resource-1.0/mathematical/MathematicalFin.gf

@@ -0,0 +1,26 @@
+--# -path=.:present:prelude
+
+concrete MathematicalFin of Mathematical = 
+  NounFin - [ComplN2], --- to avoid ambiguity 
+--  VerbFin, 
+  AdjectiveFin,
+  AdverbFin,
+  NumeralFin,
+--  SentenceFin,
+  QuestionFin,
+  RelativeFin,
+  ConjunctionFin,
+  PhraseFin,
+  TextX,
+  IdiomFin,
+  StructuralFin,
+
+  SymbolFin,
+  PredicationFin,
+
+  LexiconFin
+  ** {
+
+flags startcat = Phr ;
+
+} ;