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src/HOL/Lex/Prefix.thy
author wenzelm
Sun, 16 Jul 2000 20:49:13 +0200
changeset 9353 93cd32adc402
parent 9156 b9fe44ad3381
permissions -rw-r--r--
added ex/Tuple.thy;

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

Prefix = Main +

instance list :: (term)ord

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

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