{"id":"S85120387","label":"Set theory","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85120387","normalized_label":"set theory","broader":["http://id.loc.gov/authorities/subjects/sh85082139"],"aliases":["Aggregates","Classes (Mathematics)","Ensembles (Mathematics)","Mathematical sets","Sets (Mathematics)","Theory of sets"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85120387","provider":"lcsh","revision":"495f9094bf251f70","taxonomy_revision":"f050b5d4780b1289","title":"Set theory","url":"/topics/S85120387","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288450570602546752","address_version":"morton4x16-v1","coordinates":[0,20,19286,3072],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}