| IceSkating(ice skating) | | ice_skating |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Sports.kif 113-113 | |
| No TPTP formula. May not be expressible in strict first order. | Sports.kif 112-112 | Ice skating is a subclass of sport |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 65013-65013 |
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