Theory PersonalFirewall

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 *               2008-2015 Achim D. Brucker, Germany
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 *               2015-2016 The University of Sheffield, UK
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section ‹Personal Firewall›
theory 
  PersonalFirewall
  imports 
    PersonalFirewallInt
    PersonalFirewallIpv4
    PersonalFirewallDatatype
begin 
end