No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 16999-16999 | Game piece is a subclass of game artifact |
No TPTP formula. May not be expressible in strict first order. | Sports.kif 324-324 | Rugby ball is a subclass of game piece |
No TPTP formula. May not be expressible in strict first order. | Sports.kif 344-344 | Foot ball is a subclass of game piece |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 17003-17003 | Game die is a subclass of game piece |
No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 17007-17007 | Ball is a subclass of game piece |
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