No TPTP formula. May not be expressible in strict first order. | Merge.kif 15672-15672 | Currency is a subclass of financial instrument |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 3584-3584 | Currency bill is a subclass of currency |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 3596-3596 | Coin is a subclass of currency |