crm:P83_had_at_least_duration leaf node

@prefix crm: <http://www.cidoc-crm.org/cidoc-crm/> .
@prefix ecrm: <http://erlangen-crm.org/current/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

crm:P83_had_at_least_duration a owl:ObjectProperty ;
    rdfs:label "P83 had at least duration"@en ;
    rdfs:comment """Scope note:
This property describes the minimum length of time covered by an E52 Time-Span.

It allows an E52 Time-Span to be associated with an E54 Dimension representing it’s minimum duration (i.e. it’s inner boundary) independent from the actual beginning and end.

Examples:
- the time span of the Battle of Issos 333 B.C.E. (E52) had at least duration Battle of Issos minimum duration (E54) has unit (P91) day (E58) has value (P90) 1 (E60)

In First Order Logic:
P83(x,y) ⊃ E52(x)
P83(x,y) ⊃ E54(y)"""@en ;
    rdfs:domain crm:E52_Time-Span ;
    rdfs:range crm:E54_Dimension ;
    owl:equivalentProperty ecrm:P83_had_at_least_duration ;
    owl:inverseOf crm:P83i_was_minimum_duration_of ;
    skos:notation "P83"^^xsd:string .