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(* Title: HOL/UNITY/LessThan
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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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lessThan, greaterThan, atLeast, atMost
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*)
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LessThan = List +
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constdefs
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lessThan :: "nat => nat set"
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"lessThan n == {i. i<n}"
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atMost :: "nat => nat set"
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"atMost n == {i. i<=n}"
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greaterThan :: "nat => nat set"
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"greaterThan n == {i. n<i}"
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atLeast :: "nat => nat set"
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"atLeast n == {i. n<=i}"
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end
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