an Entity references as follows:
Scope note: This property allows specific instances of E18 Physical Thing that have been destroyed to be related to a destruction event. Destruction implies the end of an item's life as a subject of cultural documentation – the physical matter of which the item was composed may in fact continue to exist. A destruction event may be contiguous with a Production that brings into existence a derived object composed partly of matter from the destroyed object. Examples: - the Tay Bridge Desaster (E6) destroyed The Tay Bridge (E22) In First Order Logic: P13 (x,y) ⊃ E6 (x) P13 (x,y) ⊃ E18(y) P13 (x,y) ⊃ P93(x,y)