. . . "P12 occurred in the presence of"@en . "P12"^^ . . "Scope note:\nThis property describes the active or passive presence of an E77 Persistent Item in an E5 Event without implying any specific role.\n\nIt connects the history of a thing with the E53 Place and E50 Date of an event. For example, an object may be the desk, now in a museum on which a treaty was signed. The presence of an immaterial thing implies the presence of at least one of its carriers.\n\nExamples:\n- Deckchair 42 (E19) was present at The sinking of the Titanic (E5)\n\nIn First Order Logic:\nP12(x,y) \u2283 E5(x)\nP12(x,y) \u2283 E77(y)"@en .