XORT macros - we can refer to these later relationship synonym_type cvterm_property_type anonymous OBO_REL _global internal internal comment cvterm_property_type comment internal is_anonymous cvterm_property_type is_anonymous OBO_REL is_a relationship is_a 1 external cvterms that are referred to in this document dbxref__ cv/namespaces relationship types terms instances is_a relationship types other relationship types intersection_of; logical definition DAG links. you should only expect to find cvterm_relationships under here for advanced obo1.2 and owl sourced ontologies internal intersection_of cvterm_property_type intersection_of 1 is_a relationship types between typedefs cvterm metadata instance-level relations 1 (obsolete ) relationship 1 1 1 internal cvterm_property_type 1 No ID OBO_REL _default_idspace builtin__is_a intersection_of internal anonymous_cv is_anonymous 1 0 internal synonym_type cv__ comment_type 0 1 sequence ncbi_taxononmy