#nonoccurrence  absence by virtue of not occurring
  supertype:  absence.lack  the state of being absent; "he was surprised by the absence of any explanation"
     supertype:  lack__deficiency__want  the state of needing something that is absent or unavailable; "there is a serious lack of insight into the problem"; "water is the critical deficiency in desert regions"; "for want of a nail the shoe was lost"
        supertype:  need__demand  a condition requiring relief; "she satisfied his need for affection"; "God has no need of men to accomplish His work"; "there is a demand for jobs"
           supertype:  condition.state__status  a condition or state at a particular time: "a condition (or state) of disrepair"; "the current status of the arms negotiations"
              supertype:  state  the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"
                 supertype:  state  situation that is not a process
                    supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                       supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                 supertype:  process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
                    supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                    supertype:  process_or_process_description
                       supertype:  processing_thing
                          supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                             supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                    supertype:  physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
                       supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

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