Tags / 4 quotes from 3 sources
#extension
Cidoc-crm Version 4.2.4 - Reference Document
Extension of a class
The extension of a class is the set of all real life instances belonging to the class that fulfil the criteria of its intension. This set is "open" in the sense that it is generally beyond our capabilities to know all instances of a class in the world and indeed that the future…
The complement of a class in the CRM
The complement of a class A with respect to one of its superclasses B is the set of all instances of B that are not instances of A. Formally, it is the set-theoretic difference of the extension of B minus the extension of A. Compatible extensions of the CRM should not declare…
Rdf-compatible Model-theoretic Semantics For Owl
OWL Full versus OWL DL
All of the OWL vocabulary is defined on the 'OWL universe', which is a division of part of the RDF universe into three parts, namely OWL individuals, classes, and properties. The class extension of owl:Thing comprises the individuals of the OWL universe. The class extension of…
The Book: On The Taboo Against Knowing Who You Are
The hostile attitude of conquering nature
The hostile attitude of conquering nature ignores the basic interdependence of all things and events—that the world beyond the skin is actually an extension of our own bodies—and will end in destroying the very environment from which we emerge and upon which our whole life…