with a formal logic definition that is sufficient to distinguish its meaning from other similar concepts
The meaning of SNOMED CT concept is expressed in a human-readable form by its Fully Specified Name(FSN) and has a formal logic definition represented by a set of defining relationships to other concepts. A Sufficiently defined concept has sufficient defining relationships to computably distinguish it from any concepts or expressions that are equivalent to or a subtype of the the defined concept.
Contrast with primitive concept.
74400008 |appendicitis (disorder)|is sufficiently defined by the following definition because any concept for which these defining relationships are true are either the disorder "appendicitis" or a subtype of "appendicitis".
Table: Definition of: 74400008|appendicitis (disorder)| - (sufficiently defined)