sowa#mediating_thing__mediatingthing  Peirce/Sowa's notion of "thirdness"; click here for details
  exclusion:  relative_thing
  supertype:  thing_playing_some_role (pm)  category to classify things according to roles/viewpoints; classification under this category is application-dependant
  subtype:  nexus__nexu__physical_mediating_thing  click here for details
     subtype:  structure__physical_mediating_continuant  click here for details
     subtype:  situation__physical_mediating_occurrent___spatially_located_situation  click here for details
  subtype:  intention__abstract_mediating_thing  click here for details
     subtype:  reason__abstract_mediating_continuant  click here for details
     subtype:  purpose__abstract_mediating_occurrent  click here for details

No statement uses or specializes mediating_thing; click here to add one.