Added aggregation example.

transfer/examples/aggregation/Abstract.gf

@@ -0,0 +1,24 @@
+-- testing transfer: aggregation by def definitions. AR 12/4/2003 -- 9/10
+
+--   p "Mary runs or John runs and John walks" | l -transfer=Aggregation
+--   Mary runs or John runs and walks
+--   Mary or John runs and John walks
+
+-- The two results are due to ambiguity in parsing. Thus it is not spurious!
+
+abstract Abstract = {
+
+cat 
+  S ; NP ; VP ; Conj ;
+
+fun
+  Pred : NP -> VP -> S ;
+  ConjS : Conj -> S -> S -> S ;
+  ConjVP : Conj -> VP -> VP -> VP ;
+  ConjNP : Conj -> NP -> NP -> NP ;
+
+  John, Mary, Bill : NP ;
+  Walk, Run, Swim : VP ;
+  And, Or : Conj ;
+
+}