model for resource

examples/model/MathFre.gf

@@ -0,0 +1,7 @@
+--# -path=.:api:present:prelude:mathematical
+
+concrete MathFre of Math = MathI with
+  (Grammar = GrammarFre), 
+  (Combinators = CombinatorsFre), 
+  (Predication = PredicationFre), 
+  (Lex = LexFre) ;