| (subclass GamePiece GameArtifact) | Mid-level-ontology.kif 16999-16999 | GamePiece est une sous-classe de GameArtifact |
| (subclass RugbyBall GamePiece) | Sports.kif 324-324 | RugbyBall est une sous-classe de GamePiece |
| (subclass Football GamePiece) | Sports.kif 344-344 | Football est une sous-classe de GamePiece |
| (subclass GameDie GamePiece) | Mid-level-ontology.kif 17003-17003 | GameDie est une sous-classe de GamePiece |
| (subclass Ball GamePiece) | Mid-level-ontology.kif 17007-17007 | Ball est une sous-classe de GamePiece |
|
|