CL | Instances | AgroPortal

ID	http://purl.obolibrary.org/obo/IAO_0000420 http://purl.obolibrary.org/obo/IAO_0000420 https://agroportal.lirmm.fr/ontologies/CL/IAO_0000420 Loading
Label	defined class
IAO_0000115	A defined class is a class that is defined by a set of logically necessary and sufficient conditions but is not a universal
IAO_0000116	"definitions", in some readings, always are given by necessary and sufficient conditions. So one must be careful (and this is difficult sometimes) to distinguish between defined classes and universal.