is refuted by leaf node

@prefix dct: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix sio: <http://semanticscience.org/resource/> .

sio:isRefutedBy a owl:ObjectProperty ;
    rdfs:label "is refuted by"@en ;
    dct:description "has evidence is a relation between a proposition and something that refutes (is incompatible with) the truth of the assertion."@en ;
    rdfs:isDefinedBy <http://semanticscience.org/ontology/sio/v1.53/sio-subset-labels.owl> ;
    rdfs:subPropertyOf sio:hasEvidence ;
    owl:inverseOf sio:isRefutingEvidenceFor .