Function sumo#list_order_fn (list,positive_integer -> ?) returns the item that is in the given position (2nd argument) in the list, e.g., (sumo#list_order_fn (sumo#list_fn Monday Tuesday Wednesday) 2) would return the value tuesday
type: binary_function_type class of functions requiring two arguments
type: partial_valued_relation_type relation type that is not a total_valued_relation_type, i.e. just in case assigning values to every argument position except the last one does not necessarily mean that there is a value assignment for the last argument position; note that, if a sumo#relation is both a partial_valued_relation and a single_valued_relation, then it is a partial function
supertype: relation_from_collection (collection,*)
supertype: relation_from/to_thing_of_common_kind (*) this type permits to categorize relations according to their signatures and hence offers (i) a concise way to set essential exclusion relations, and (ii) a systematic and easy-to-follow categorization
>part of: relation__related_thing__relatedthing___related_with type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_type
supertype: what_relation (*)
supertype: wh-/how_relation (*) this type permits to categorize relations according to the usual who/what/why/where/when/how questions ; this is a traditional but very subjective and ineffective way of categorizing relations
>part of: relation__related_thing__relatedthing___related_with type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_type