René's URL Explorer Experiment

{"@context":"https:\/\/schema.org","@type":"Article","name":"Exact cover","url":"https:\/\/en.wikipedia.org\/wiki\/Exact_cover","sameAs":"http:\/\/www.wikidata.org\/entity\/Q388260","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q388260","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2005-10-04T01:25:28Z","dateModified":"2026-02-11T22:59:10Z","headline":"disjoint family of sets, drawn from a larger collection, with the same union as the whole collection"}