src/HOL/Nat.thy
author nipkow
Wed Feb 12 18:53:59 1997 +0100 (1997-02-12)
changeset 2608 450c9b682a92
parent 2541 70aa00ed3025
child 3370 5c5fdce3a4e4
permissions -rw-r--r--
New class "order" and accompanying changes.
In particular reflexivity of <= is now one rewrite rule.
     1 (*  Title:      HOL/Nat.thy
     2     ID:         $Id$
     3     Author:     Tobias Nipkow
     4     Copyright   1997 TU Muenchen
     5 
     6 Nat is a partial order
     7 *)
     8 
     9 Nat = NatDef +
    10 
    11 instance nat :: order (le_refl,le_trans,le_anti_sym,nat_less_le)
    12 
    13 end