src/HOL/UNITY/Follows.thy
author wenzelm
Wed Oct 18 23:42:18 2000 +0200 (2000-10-18)
changeset 10265 4e004b548049
parent 9019 9c1118619d6c
child 13796 19f50fa807ae
permissions -rw-r--r--
use Multiset from HOL/Library;
     1 (*  Title:      HOL/UNITY/Follows
     2     ID:         $Id$
     3     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     4     Copyright   1998  University of Cambridge
     5 
     6 The "Follows" relation of Charpentier and Sivilotte
     7 *)
     8 
     9 Follows = SubstAx + ListOrder + Multiset +
    10 
    11 constdefs
    12 
    13   Follows :: "['a => 'b::{order}, 'a => 'b::{order}] => 'a program set"
    14                  (infixl "Fols" 65)
    15    "f Fols g == Increasing g Int Increasing f Int
    16                 Always {s. f s <= g s} Int
    17                 (INT k. {s. k <= g s} LeadsTo {s. k <= f s})"
    18 
    19 
    20 end