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If one property is a sub of another, then the domains (respectively ranges) should not be subClasses in the opposite direction. https://github.com/edmcouncil/fibo/blob/master/etc/testing/hygiene/testHygiene2.sq
https://github.com/edmcouncil/fibo/blob/master/etc/testing/hygiene/testHygiene3.sq
Labels and Defintions
Every Class and Property defined in FIBO must have an rdfs:label and a skos:definition https://github.com/edmcouncil/fibo/blob/master/etc/testing/hygiene/testHygiene4.sq
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