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Term 1: Term 2:

No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 11126-11126 Antigen is a subclass of biologically active substance
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 11132-11132 Antigen a is a subclass of antigen
No TPTP formula. May not be expressible in strict first order. Mid-level-ontology.kif 11137-11137 Antigen b is a subclass of antigen


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