. . . . "P83 had at least duration"@en . "P83"^^ . "Scope note:\nThis property describes the minimum length of time covered by an E52 Time-Span.\n\nIt allows an E52 Time-Span to be associated with an E54 Dimension representing it\u2019s minimum duration (i.e. it\u2019s inner boundary) independent from the actual beginning and end.\n\nExamples:\n- the time span of the Battle of Issos 333 B.C.E. (E52) had at least duration Battle of Issos minimum duration (E54) has unit (P91) day (E58) has value (P90) 1 (E60)\n\nIn First Order Logic:\nP83(x,y) \u2283 E52(x)\nP83(x,y) \u2283 E54(y)"@en .