E18 Physical Thing in Version 6.1
Subclass of :
This class comprises all persistent physical items with a relatively stable form, man-made or natural.
Depending on the existence of natural boundaries of such things, the CRM distinguishes the instances of E19 Physical Object from instances of E26 Physical Feature, such as holes, rivers, pieces of land etc. Most instances of E19 Physical Object can be moved (if not too heavy), whereas features are integral to the surrounding matter.
The CRM is generally not concerned with amounts of matter in fluid or gaseous states.
- the Cullinan Diamond (E19)
- the cave “Ideon Andron” in Crete (E26)
- the Mona Lisa (E22)
In First Order Logic:
E18(x) ⊃ E72(x)
P44 has condition ( is condition of) : E3 Condition State,
P45 consists of (is incorporated in) : E57 Material,
P46 is composed of ( forms part of) : E18 Physical Thing,
P49 has former or current keeper (is former or current keeper of) : E39 Actor,
P50 has current keeper (is current keeper of) : E39 Actor,
P51 has former or current owner (is former or current owner of) : E39 Actor,
P52 has current owner ( is current owner of) : E39 Actor,