src/HOLCF/Up.thy
changeset 33808 31169fdc5ae7
parent 33587 54f98d225163
child 34941 156925dd67af
     1.1 --- a/src/HOLCF/Up.thy	Thu Nov 19 21:06:22 2009 -0800
     1.2 +++ b/src/HOLCF/Up.thy	Thu Nov 19 21:44:37 2009 -0800
     1.3 @@ -303,6 +303,9 @@
     1.4  lemma u_map_up [simp]: "u_map\<cdot>f\<cdot>(up\<cdot>x) = up\<cdot>(f\<cdot>x)"
     1.5  unfolding u_map_def by simp
     1.6  
     1.7 +lemma u_map_ID: "u_map\<cdot>ID = ID"
     1.8 +unfolding u_map_def by (simp add: expand_cfun_eq eta_cfun)
     1.9 +
    1.10  lemma u_map_map: "u_map\<cdot>f\<cdot>(u_map\<cdot>g\<cdot>p) = u_map\<cdot>(\<Lambda> x. f\<cdot>(g\<cdot>x))\<cdot>p"
    1.11  by (induct p) simp_all
    1.12