# Four elements (Philosophy) { "id": "S85051080", "title": "Four elements (Philosophy)", "url": "/topics/S85051080", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "0109630fe1e65620", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "324263863275373124", "address_version": "morton4x16-v1", "coordinates": [ 0, 20, 18203, 8192 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on earth, fire, water, and air, regarded by early natural philosophers as the four elements that constitute the material universe. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85051080 No owner-reviewed local answer yet.