|Element relation, element relationship: the existence of a number within a set. In the broader sense the existence of an object (urelement) within a set. The element relation is to be distinguished from the subset relation. See also sets, classes, subsets, elements, set theory, empty set, universal class, paradoxes.|
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|Element Relation||I 192
Element relation / Field: unequal size relation between objects and numbers - the former: uniformly, the latter is not: e.r. induced the whole universe to itself, the size relation does not.
Realism, Mathematics and Modality Oxford New York 1989
Truth and the Absence of Fact Oxford New York 2001
Science without numbers Princeton New Jersey 1980