pm#unary_function_type class of functions requiring a single argument; if R is functional, then if R(x -> y) and P(x -> z) then y=z
subtype: unary_constant_function_quantity_type one_to_one_function_type
instance: unary_function power_set_fn front_fn back_fn abstraction_fn extension_fn probability_fn list_length_fn property_fn absolute_value_fn ceiling_fn cosine_fn denominator_fn floor_fn imaginary_part_fn integer_square_root_fn numerator_fn rational_number_fn real_number_fn reciprocal_fn round_fn signum_fn sine_fn square_root_fn tangent_fn successor_fn predecessor_fn complement_fn generalized_union_fn generalized_intersection_fn cardinality_fn kilo_fn mega_fn giga_fn tera_fn milli_fn micro_fn nano_fn pico_fn magnitude_fn wealth_fn begin_fn end_fn when_fn past_fn immediate_past_fn future_fn immediate_future_fn year_fn hole_host_fn hole_skin_fn immediate_family_fn government_fn premises_fn
equal: unary_function (pm) functional_property (pm) unique_property (pm)
type: class_of_inheritable_relation_type each instance RT of this class is a subclass of the 2nd-order_type pm#relation_type and the properties of RT can be inherited downward in the class hierarchy via the "subrelation" predicate
supertype: function_type term-forming relation that maps from a n-tuple of arguments to a range and that associates this n-tuple with at most one range element; note that the range is a set_or_class, and each element of the range is an instance of the set_or_class
supertype: single_valued_relation_type when an assignment of values to every argument position except the last one determines at most one assignment for the last argument position; not all single_valued_relations are total_valued_relations
supertype: relation_type there are three kinds of relation(_types): pm#predicate_type, pm#function_type and sumo#list; both predicates and functions denote sets of ordered n-tuples; the difference between these two classes is that predicates cover formula-forming operators, while functions cover term-forming operators; a list, on the other hand, is a particular ordered n-tuple
supertype: 1st_order_type__1stordertype__type1 all 1st order types are implicitely or explicitely instance of that 2nd-order type
supertype: type second-order type or more
supertype: non_spatial_collection__nonspatialcollection__true_collection something gathering separated things (entities/situations) and that is not a spatial object
supertype: non_spatial_object_that_is_not_an_attribute_or_quality_or_measure
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: collection something gathering separated things (entities/situations)
supertype: divisible_entity__divisibleentity many classifications under this category are application-dependant
supertype: entity something that can be "involved" in a situation
supertype: divisible_thing__divisiblething
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: abstract__entity_without_spatial_feature e.g., knowledge, motivation, measure; properties or qualities as distinguished from any particular embodiment of the properties/qualities in a physical medium; instances of sumo#abstract can be said to exist in the same sense as mathematical objects such as sets and relations, but they cannot exist at a particular place or time without some physical encoding or embodiment
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: binary_relation_type all binary relation types are instance of that object
supertype: relation_type there are three kinds of relation(_types): pm#predicate_type, pm#function_type and sumo#list; both predicates and functions denote sets of ordered n-tuples; the difference between these two classes is that predicates cover formula-forming operators, while functions cover term-forming operators; a list, on the other hand, is a particular ordered n-tuple
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