author | kleing |
Thu, 21 Feb 2002 14:08:09 +0100 | |
changeset 12915 | 2832fba717ec |
parent 12338 | de0f4a63baa5 |
child 14981 | e73f8140af78 |
permissions | -rw-r--r-- |
(* Title: HOLCF/Fun1.thy ID: $Id$ Author: Franz Regensburger License: GPL (GNU GENERAL PUBLIC LICENSE) Definition of the partial ordering for the type of all functions => (fun) REMARK: The ordering on 'a => 'b is only defined if 'b is in class po !! *) Fun1 = Pcpo + instance flat<chfin (flat_imp_chfin) (* to make << defineable: *) instance fun :: (type, sq_ord) sq_ord defs less_fun_def "(op <<) == (%f1 f2.!x. f1 x << f2 x)" end