#set.aggregation  a group of things of the same kind that belong together and are so used: "a set of books"; "a set of golf clubs"; "a set of teeth"
  supertype:  aggregation__collection__accumulation__assemblage  several things grouped together
  subtype:  dentition  singleton.set  pair  triad  quartette  quintet.set  sextet.set  septet.set  octet.set  chess_set  manicure_set  sum  set_intersection  field_of_competitors  field_of_horses  character_field  bracket.set  conjugation.set  suite.set  choir.set  core_group  score.set  threescore
  member:  volume.publication  a publication that is one of a set of several similar publications; "the third volume was missing"; "he asked for the 1989 volume of the Annual Review"

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