78 lines
2.9 KiB
Plaintext
78 lines
2.9 KiB
Plaintext
(*****************************************************************************
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* Copyright (c) 2005-2010 ETH Zurich, Switzerland
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* 2008-2015 Achim D. Brucker, Germany
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* 2009-2016 Université Paris-Sud, France
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* 2015-2016 The University of Sheffield, UK
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************)
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subsection \<open>Ports\<close>
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theory Ports
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imports
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Main
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begin
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text\<open>
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This theory can be used if we want to specify the port numbers by names denoting their default
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Integer values. If you want to use them, please add \<open>Ports\<close> to the simplifier.
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\<close>
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definition http::int where "http = 80"
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lemma http1: "x \<noteq> 80 \<Longrightarrow> x \<noteq> http"
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by (simp add: http_def)
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lemma http2: "x \<noteq> 80 \<Longrightarrow> http \<noteq> x"
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by (simp add: http_def)
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definition smtp::int where "smtp = 25"
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lemma smtp1: "x \<noteq> 25 \<Longrightarrow> x \<noteq> smtp"
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by (simp add: smtp_def)
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lemma smtp2: "x \<noteq> 25 \<Longrightarrow> smtp \<noteq> x"
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by (simp add: smtp_def)
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definition ftp::int where "ftp = 21"
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lemma ftp1: "x \<noteq> 21 \<Longrightarrow> x \<noteq> ftp"
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by (simp add: ftp_def)
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lemma ftp2: "x \<noteq> 21 \<Longrightarrow> ftp \<noteq> x"
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by (simp add: ftp_def)
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text\<open>And so on for all desired port numbers.\<close>
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lemmas Ports = http1 http2 ftp1 ftp2 smtp1 smtp2
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end
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