ex/Rec.thy

--- a/ex/Rec.thy	Tue Oct 24 14:59:17 1995 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,9 +0,0 @@
-Rec = Fixedpt +
-consts
-fix	:: "('a=>'a) => 'a"
-Dom	:: "(('a=>'b) => ('a=>'b)) => 'a set"
-Domf	:: "(('a=>'b) => ('a=>'b)) => 'a set => 'a set"
-rules
-Domf_def "Domf(F,D) == {y . !f g. (!x:D. f(x)=g(x)) --> F(f,y)=F(g,y)}"
-Dom_def  "Dom(F) == lfp(Domf(F))"
-end