author | nipkow |
Mon, 13 Dec 2004 18:41:49 +0100 | |
changeset 15407 | 9e85d2b04867 |
parent 14981 | e73f8140af78 |
child 15564 | c899efea601f |
permissions | -rw-r--r-- |
(* Title: HOLCF/Fun1.thy ID: $Id$ Author: Franz Regensburger 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