diff -r 48c2eb84d5ce -r c0eac04ae3b4 Nominal/Ex/Ex3.thy
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Nominal/Ex/Ex3.thy	Sat Apr 03 22:31:11 2010 +0200
@@ -0,0 +1,37 @@
+theory Ex3
+imports "../Parser"
+begin
+
+(* Example 3, identical to example 1 from Terms.thy *)
+
+atom_decl name
+
+ML {* val _ = recursive := false  *}
+nominal_datatype trm0 =
+  Var0 "name"
+| App0 "trm0" "trm0"
+| Lam0 x::"name" t::"trm0"          bind x in t
+| Let0 p::"pat0" "trm0" t::"trm0"   bind "f0 p" in t
+and pat0 =
+  PN0
+| PS0 "name"
+| PD0 "pat0" "pat0"
+binder
+  f0::"pat0 \<Rightarrow> atom set"
+where
+  "f0 PN0 = {}"
+| "f0 (PS0 x) = {atom x}"
+| "f0 (PD0 p1 p2) = (f0 p1) \<union> (f0 p2)"
+
+thm trm0_pat0.fv
+thm trm0_pat0.eq_iff
+thm trm0_pat0.bn
+thm trm0_pat0.perm
+thm trm0_pat0.induct
+thm trm0_pat0.distinct
+thm trm0_pat0.fv[simplified trm0_pat0.supp,no_vars]
+
+end
+
+
+