#linear_unit  a unit of measurement of length
  subtype:  astronomy_unit  metric_linear_unit  nautical_linear_unit  inch  ft  footer  yard  perch.linear_unit  furlong  statute_mile  half_mile  quarter_mile  league.linear_unit  ligne  nail.linear_unit  archine  kos  vara  verst  cable_length  chain.linear_unit  cubit  fingerbreadth  body_length  handbreadth  head.linear_unit  lea  li  link.linear_unit  mesh  mil  Swedish_mile  Roman_mile  Roman_pace  geometric_pace  military_pace  palm  span.linear_unit  fthm  point.linear_unit  pica_em  en  cicero
  supertype:  linear_measure__long_measure  a measure of length
     supertype:  spatial_unit_of_measure
        supertype:  spatial_attribute_or_quality_or_measure  e.g., length measure in meters
           supertype:  physical/spatial_attribute_or_quality_or_measure  e.g., mass/length/color measure; here are most of the subtypes of #property.attribute, e.g., #visual_property
              supertype:  attribute_or_quality_or_measure  e.g., mass, mass unit, 1 kg, frequency, [2-3] hz, color, blue, speed, 1 m/s
                 supertype:  non_spatial_object__nonspatialobject  abstraction or description content/medium/container (a description medium that has some spatial feature is both instance of sumo#object and pm#non_spatial_object
                    supertype:  entity  something that can be "involved" in a situation
                       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:  intangible  The collection of things that are not physical -- are not made of, or encoded in, matter. Every cyc#Collection is a cyc#intangible (even if its instances are tangible), and so are some cyc#individuals.  Caution: do not confuse `tangibility' with `perceivability' -- humans can perceive light even though it's intangible--at least in a sense.
                       supertype:  partially_intangible__partiallyintangible  The collection of things that either are wholly intangible (see cyc#Intangible) or have at least one intangible (i.e. immaterial) part (see cyc#intangibleParts). This includes intangible individuals, such as instances of cyc#Number-General  or cyc#Agreement, as well as non-individuals (all of which are intangible), i.e. instances of cyc#SetOrCollection.  It also includes things that have both tangible and intangible components (see cyc#CompositeTangibleAndIntangibleObject),  such as a printed copy of a newspaper (as its information content is intangible) or a person (as her mental states are intangible).
                          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:  thing_that_can_be_seen_as_a_relation  usable as relation type
                    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:  individual__particular___supertype_of_1st_order_types  all individuals (for concepts or relations) are implicitely or explicitely instance of that type
                    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/spatial_unit_of_measure
           supertype:  physical/spatial_attribute_or_quality_or_measure  e.g., mass/length/color measure; here are most of the subtypes of #property.attribute, e.g., #visual_property
           supertype:  unit_of_measure   Any kind of unit of measure, metre, dollar, kilogram, etc. 
              supertype:  attribute_or_quality_or_measure  e.g., mass, mass unit, 1 kg, frequency, [2-3] hz, color, blue, speed, 1 m/s
     supertype:  measure__quantity__amount__quantum  how much there is of something that you can measure
        supertype:  attribute_or_quality_or_measure  e.g., mass, mass unit, 1 kg, frequency, [2-3] hz, color, blue, speed, 1 m/s
  supertype:  distance  the property created by the space between two objects or points
     supertype:  spatial_arrangement__spatialarrangement__spacing  the property possessed by an array of things that have space between them
        supertype:  placement.position__arrangement  the spatial property of the way in which something is placed: "the arrangement of the furniture"; "the placement of the chairs"
           supertype:  spatial_relation__spatialrelation__position__spatial_property__spatialproperty  the spatial property of a place where or way in which something is situated; "the position of the hands on the clock"; "he specified the spatial relations of every piece of furniture on the stage"
              supertype:  relation  an abstraction belonging to or characteristic of two entities or parts together
                 supertype:  thing_that_can_be_seen_as_a_relation  usable as relation type

5 statements are about indirect instances of linear_unit: graph1_on_animal, graph1_on_spamOnly@phmartin.info, graph1_on_daniel.goodburn@dsto.defence.gov.au, graph1_on_Corolla_AE93_CSI_manual_hatchback, graph2_on_Corolla_AE93_CSI_manual_hatchback
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