| Skateboarding(skateboarding) | | skateboarding |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Sports.kif 230-230 | |
| No TPTP formula. May not be expressible in strict first order. | Sports.kif 229-229 | Skateboarding 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 65498-65498 |
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