src/HOL/Lex/Prefix.thy
author paulson
Mon, 20 Mar 2000 10:24:07 +0100
changeset 8523 7ffc94f2f42d
parent 6675 63e53327f5e5
child 9156 b9fe44ad3381
permissions -rw-r--r--
now based on "Main", as it should be

(*  Title:      HOL/Lex/Prefix.thy
    ID:         $Id$
    Author:     Tobias Nipkow
    Copyright   1995 TUM
*)

Prefix = Main +

arities list :: (term)ord

defs
        prefix_def        "xs <= zs  ==  ? ys. zs = xs@ys"

        strict_prefix_def "xs < zs  ==  xs <= zs & xs ~= (zs::'a list)"
  
end