Theory DatatypeAddress

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subsection ‹Datatype Addresses›
theory 
  DatatypeAddress
  imports 
    NetworkCore 
begin

text‹
  A theory describing a network consisting of three subnetworks. Hosts within a network are not 
  distinguished.
›
 
datatype DatatypeAddress = dmz_adr | intranet_adr | internet_adr

definition
  dmz::"DatatypeAddress net" where
  "dmz = {{dmz_adr}}"
definition
  intranet::"DatatypeAddress net" where
  "intranet = {{intranet_adr}}"
definition
  internet::"DatatypeAddress net" where
  "internet = {{internet_adr}}"
  
end