src/HOL/UNITY/Follows.thy
author paulson
Wed May 24 18:40:01 2000 +0200 (2000-05-24)
changeset 8948 b797cfa3548d
parent 8128 3a5864b465e2
child 9019 9c1118619d6c
permissions -rw-r--r--
restructuring: LessThan.ML mostly moved to HOL/SetInterval.ML
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(*  Title:      HOL/UNITY/Follows
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    ID:         $Id$
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    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
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    Copyright   1998  University of Cambridge
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The "Follows" relation of Charpentier and Sivilotte
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*)
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Follows = SubstAx + ListOrder +
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constdefs
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  Follows :: "['a => 'b::{order}, 'a => 'b::{order}] => 'a program set"
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                 (infixl "Fols" 65)
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   "f Fols g == Increasing g Int Increasing f Int
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                Always {s. f s <= g s} Int
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                (INT k. {s. k <= g s} LeadsTo {s. k <= f s})"
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end