No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9797-9797 | Antigen is a subclass of biologically active substance |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9803-9803 | Antigen a is a subclass of antigen |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9808-9808 | Antigen b is a subclass of antigen |